Please answer the following questions using circumference C=2*pi*r
C=d*pi
d= C/pi

Pi=3.14

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?