Eveluate the expression for a = 5

2a + 6

For what values of x is x2 + 2x = 24 true?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {