An equation is given.
A=4π r2
Solve the equation for r .

A) r=4πA2
B) r=A2π
C) r=A4π−−√
D) r=4πA−−√

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?