Use the following to answer questions 7-9: David's Donut shop charges a flat fee of $2.59 plus $0.38 per mile to deliver donuts to
your party.
7. Which linear equation below can David use to charge his customers for the donuts?
a. y = 2.59x + .38
b. y - .38x – 2.59
d. y = .38x + 2.59
c. y = 38 + 2.59

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Secant be and cf intersect at point d inside a what is the measure of cde