Answer: The answer is (-7,12)
Step-by-step explanation:
Well you have to first find the constant of Brand X which would be 2.70/10 = .27. Brand Y is .4 more so that would be .31 per ounce. So then .31 x 11 = 3.41. The cost of 11 ounces of brand Y is $3.41.
X^2 + 10X + 21
(X + 3)(X + 7)
Answer: It cost 8$ for the truck
Step-by-step explanation:
Answer:
x = -8
Step-by-step explanation:
Given the equation:

Note that

then

Rewrite the equation as

then
