What is the approximate circumference of a circle with a diameter of 40 inches? (careful you need radius so 40/2)(use π = 3.14)(c= 2 *π*r) (a.) 125.6 in.(b.) 63 in.(c.) 251 in.

What is the definition of exponential decay?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]