Which expression is equivalent to 2x² + 7x + 4?

A.
(2x − 1)(x + 4)

B.
(2x + 1)(x − 4)

C.
(2x + 1)(x + 4)

D.
None of these

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?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?