If ABC is similar to DEF the m< A = 50° and m< E = 70°

what is m
a) 60°

b) 70°

c) 90°

d) 120°

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

c would have to be right.