Two mechanics worked on a car. The first mechanic charged $115 per hour, and the second mechanic charged $50 per hour. The mechanics worked for a combined total of 25 hours, and together they charged a total of $2,550. How long did each mechanic work?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Does anyone know how to do geometryme with this problem

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)