Alexis recieved an 85,89,92on three tests. how many points does she need to score on her next test in order to have an average of at least 90?

1. are the triangles similar and if so why? what is the value of x? show your work.

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.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?