If KLJ~VWU find the value of x

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Which equation represents h for right triangle abc