Calculate the coefficient of
- 2a x (-3ry) x 17x+y25

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.