A(12) = 50- 1.25x
how do i solve it

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = (x+4)(x+3)