Graph a system of equations to approximate the value of x, the rate of depreciation. give your answer as a percent.

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.