Answer:

Step-by-step explanation:
divide each by x
Answer:
a and c
Step-by-step explanation:
When dividing with negative and positive, the quotient is negative. 70 / -3.5 would be -2. Here is what the long division looks like:
(x + 4)^4 = x^4 + 16x^3 + 96x^2 + 256x + 256
20 * (31/100) = 21*0.31=6.51
20.00-6.51=13.49
Caleb paid $13.49