Simplify and then evaluate the equation when c= 2 and r= 10. c2 + 4r – 3(r - c) = [? ]

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.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?