The density of a certain material is such that it weighs 9 kilograms per cubic foot of volume. Express this density in grams per cup. Round your answer to the nearest tenth.

the answer to the question is a  

it has the same slope and the same y-intercept.

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

here is your mark brainliest

if you was gonna solve for a, a is a   < -12