Answer:
it should be+9
Step-by-step explanation:
this is because when we multiply(-) with (-) it will be (+)
Answer:
Step-by-step explanation:
f(x) = -5x + 8(7 - x)......when f(x) = 160
160 = -5x + 8(7 - x)
160 = -5x + 56 - 8x
160 - 56 = -5x - 8x
104 = - 13x
-104/13 = x
-8 = x <====
Answer:
(0,3)
Step-by-step explanation:
It is where the lines intersect
Answer:
Sales tax: $352.50
Final Cost: $5052.50
Step-by-step explanation: