Determining proportionality of pair of fractions

Question

Assignment:

Question 1. m∠B = 60° Find the complement of  ∠B

Question 2. Subtract.
     8 gal  1 qt
  – 3 gal  2 qt

Question 3. Label the triangle as equilateral, isosceles, or scalene.

 
Question 4. Write 30% as a fraction

Question 5. Write  3/8 as a percent.
   
Question 6. 11% of what number is 77

Question 7. What is 30% of 200?

Question 8. The electricity costs of a business increased from $10,000 one year to $13,000 the next. To the nearest whole percent, what was the rate of increase?

Question 9. Write the ratio of 9 nickels to 3 quarters in simplest form.

Question 10. Garrett washes 3 cars in 72 minutes. How many minutes does it take Garrett to wash one car?

Question 11. Determine whether the pair of fractions is proportional: 4/13 = 8/26

Question 12. Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37 then 8 gallons will cost $14.32.

Question 13. Is the object a line or a line segment? Why?

Question 14. Is the object a line or a line segment? Why?

Provide complete and step by step solution for the question and show calculations and use formulas.