How do i solve for vf in this equation? (1/2)m*(vi)^2 + m*g*hi = (1/2)m*(vf)^2 + m*g*hf

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.