Which of the flowing is example of a complex number that is not in the set of real numbers a . -7
b . 2 + √(3)
c . 4 + 9i
d .π

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)