Write the equation of the directrix of the parabola shown below.

y^2+16y+4x+4=0

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

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry