2x - 3y=-6
-5x - 9y = 15

Elimination with multiplication

Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true