If rectangle A has a perimeter of 8x + 8 and rectangle B has a perimeter of 4x2 + 8x + 12, what is the difference in their perimeters?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.