8x + 6y - z= 10
-7X - 3y + z = 5
4x + 3y + z = 8

z=
y =
x =

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.

What is the slope of the line that contains the points (-2,1) and (0,-3)

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false