The answer is 10 because 5 10 15 20 25 30 35 40 45 50
Increases but is that what you are asking?
Answer:
See below.
Step-by-step explanation:
X-intercepts: (-7, 0) & (-3, 0)
Axis of Symmetry: x = -5
Y-intercept: (0, -21)
Vertex: (-5, 4)
Answer: 8 balloons per box
8x18 + 8x12 = 144+96 = 240
Subsitute -4y for x
-4y+6y=18
2y=18
divide both sides by 2
y=9
sub back
x=-4y
x=-4(9)
x=-36
(x,y)
(9,-36)
