X² - 36 = 0 x² - 9 = 0

x² + x - 2 = 0

x + 3 = 0

x² + x - 72 = 0

what are the real roots in each equation?

Which of the following represents the range of the graph of f(x) below

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75