What value of z makes this equation true? (the equation is 10−3(z−2)=5z+7)
A z=−92

B z=−38

C z=98

D z=32

z = 9/8

Step-by-step explanation:

10 −3(z−2) = 5z + 7

10 - 3z + 6 = 5z + 7

-3z + 16 = 5z + 7

-3z - 5z = 7-16

-8z = -9

z = 9/8

the answer would be c

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