1. Classify each angle as acute, right, obtuse, or straight.
a. 35o
b. 135o
c. 90o
d. 99o
e. 180o
2. Find the perimeter or circumference, as indicated.
a. A rectangle measures 10 inches by 5 inches. Find its perimeter.
b. A square has a side that measure 6 centimeters. Find its perimeter.
c. John planted a garden that is 5 feet by 3 feet. How much fencing is needed to fence in the perimeter?
d. Find the circumference of a circle with a radius of 6 inches.
e. Find the circumference of a circle with a diameter of 18 centimeters.
3. Find the area or volume, as indicated.
a. Find the area of a rectangular carpet that measures 10 feet by 8 feet.
b. Find the area of a triangle with a base of 7 centimeters and a height of 11 centimeters.
c. Find the area of a circle with a radius of 9 inches.
d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.
e. Find the volume of a sphere with a radius of 8 meters.
4. Determine whether each pair of triangles is congruent.
a. Triangle 1: sides 8 inches, 11 inches, and 14 inches
Triangle 2: sides 11 inches, 14 inches, and 8 inches
b. Triangle 1: angle, side 28 meters, and angle
Triangle 2: angle, side 28 meters, and angle
5. Given that Triangle A and Triangle B are similar, solve for the unknown length n.
![648_Figure.png](https://secure.tutorsglobe.com/CMSImages/648_Figure.png)
6. Answer the following questions using the bar graph below.
![1324_Figure1.png](https://secure.tutorsglobe.com/CMSImages/1324_Figure1.png)
a. Who had the highest sales for the year 2010?
b. Approximately how much more did Joe sell than Julie?
7. Answer the following questions using the pie chart below.
![2019_Figure2.png](https://secure.tutorsglobe.com/CMSImages/2019_Figure2.png)
a. What type of music is most preferred among those surveyed?
b. What percent prefer classical music?
8. Find the mean, median, and mode of the following sets of data:
a. 3.8, 3.1, 2.6, 3.5, 3.0, 4.0, 1.6, 2.6, 2.1
b. 20,000, 35,000, 20,000, 19,000, 26,000, 35,000, 42,000
9. At most colleges, A's are given a weight of 4, B's a weight of 3, C's a weight of 2, D's a weight of 1, and F's a weight of 0. Given the following report card, find the student's GPA.
Course
|
Grade
|
Credit Hours
|
Math
|
A
|
4
|
Science
|
A
|
4
|
English
|
C
|
3
|
Physical Education (PE)
|
B
|
1
|
History
|
B
|
3
|
10. If a single die is tossed once, find the probability of each event.
a. 7
b. even number
c. number less than 5
d. 5 or 6
e. composite number
11. Represent each quantity as a signed number.
a. The elevation is 200 feet above sea level.
b. The temperature is 25 degrees below zero.
12. Insert < or > between each pair of numbers to make a true statement.
a. -2 5
b. 15 10
c. -4 -8
d. 25 -96
e. -1.45 1.5
13. Evaluate.
a. |4|
b. |-4|
c. -|-5|
d. - (-6)
e. -|2|
14. Add or subtract as indicated.
a. -14 + (-23)
b. -4½ + 2(3/8)
c. 8.56 - (-1.76)
d. -4.5 - 1.3
e. 6/8 - 13/14
15. Multiply or divide as indicated.
a. -1(-3)(-8)
b. -(2/3)x(9/7)
c. - 24 / -3
d. -64.8 / -2
e. (3/8) / -(1/2)
16. Solve. Check your solution.
a. 5x - 2 = 23
b. 4y - 16 = 0
c. 5 - x = -15
d. 1.5x + 1 = 5.5
e. -3x + 9 = 27
17. Solve. Check your solution.
a. 3y + 24 = y - 12
b. 3y - 7 = -3y + -19
c. 15x - 8x + 7 = -42
d. -x + 5x + 6 = 8x + 36
e. -3(x+5) = -18
18. Write each phrase as a variable expression.
a. The sum of a number and seven
b. The difference of twenty and a number
c. Fifty decreased by a number
d. The sum of twice a number and four
e. The product of a number and eight.
19. Solve.
a. The sum of twice a number and 18 is 22. Find the number.
b. The product of a three times a number and 7 is 63. Find the number.
20. Solve.
a. Sean's age is 5 years more than twice Doug's age. The sum of their ages is 29. Find each of their ages.
b. Larry and Michael scored a total of 48 points in the basketball game. If Michael scored twice the number of points Larry did, how many points did Larry score?