Can somei will give you 10 !

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

i have not got your picture clearly so see it once again

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

step-by-step explanation:

tangent z: 4/3

cosine y: 4/5

cotangent y: 4/3