The square of 9 less than a number is 3 less than the number. What is the number?
o -12 or7
-12 or -7
-7 or 12
7 or 12

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area