Find the exact value of b.

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

The graph of g(x) is a translation of y = which equation represents g(x)?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)