If f(x) = StartFraction x Over 2 EndFraction + 8, what is f(x) when x = 10?

Let r = 3. what is the value of r + 58?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.