Find the values of x and y. A) x = 6, y = 13
B) x = 6, y = 16
C) x = 5, y = 16
D) x = 5, y = 13

What two criteria are needed for triangles to be similar

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.