If (r, s) is the solution to the system of equations, what is the value of r? −8r − 8s = 100 r − 2s = 10 A) −5 B) − 15 2 C) 5 D) 15 2

With: label the vertices and all the elements needed. find x

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.