What if roddy wanst rich (keep it going)

Solve the system of equations. y= 2x y= x^2 - 15

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.