Which is a quadratic equation? A y = x +9
B y = 2x – 15
C y = x2 + 2x - 7
D y = x3 – x?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Which of the following tables represents exponential functions?

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation