Please help Evaluate the expression if a = -2, b = -3, c = 2, x = 2.1, y =3 and z = -4.2 4a - [3b+2c]

Which of these choices show a pair of equivalent expressions?

Which of the following is the result of expanding

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project