What is the direct variation of y=8x

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Factor the monomial completely 42a3b3

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25