Use the diagram and the cosine function to find the value of x

What is the circumference of a circle with an area of 50.24 cm²?

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so