Factor the four-term polynomial.
ab + ac - 4b-4c
(a - 4)(b + c)
(a - c)(b + 4)
(a + 4x(6-0)

answer: .75 km

step-by-step explanation:

i think the answer is 90 hope this

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be