1. evaluate each expression when x = -2 and y = 3. a) 3x + 4y b) 2x - 3y + 5 c) 4x -y d) -x - 2y e) x + y f) y - x

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Write the expression 7x^3-28xy^2 as the product of 3 factors