Find the degree measure of the angel marked z


Question:

Single variable equations.

1) Find the degree measure of the angel marked Z

2) High-Risk Funds

Of the $50,000 that Natasha pocketed on her last real estate deal, $20,000 went to charity. She invested part of the remainder in Dreyfus New Leaders Fund with an annual yield of 16% and the rest in Templeton Growth Fund with an annual yield of 25%. If she made $6,060 on these investments in one year, then how much did she invest in each fund?

3) Adjusting Antifreeze

Angela needs 20 quarts of 50% antifreeze solution in her radiator. She plans to obtain this by mixing some pure antifreeze with an appropriate amount of a 40% antifreeze solution. How many quarts of each should she use?

100% antifreeze? qts + 40%? qts = 50% solution 20 qts

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Algebra: Find the degree measure of the angel marked z
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