Solve this system of equations.

x + y = - 3

x - y = 1

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 3 intermediate stops on the way back to Chicago.

Why is it necessary to check solutions to equations contating rational expressions?

V+9/3=8 what is the answer and how do you do it step by step?

Factorise (x + 5) + (x - 2)

Shoe store has a sale of 5% off each pair. you have a coupon for $10.00 off. you figure the discount is the same no matter what sale you use. write an equation and find the cost of the shoes.

Simplify - 5.55 - 8.55c + 4.35c

Name one possible cross section of a sphere

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000.

Solve y = x2 + 11 for x. Ο Α. x = + y + 11 Β. Χ = y + 11 ΟΟΟ c. x = y - 11 D. x =, - 11

If 20 Sunday newspapers weigh 18 pounds, how many pounds do 30 Sunday newspapers weigh?