It took Jamie 3/4 of an hour to complete 1/4 of a puzzle. How many hours will it take to complete a puzzle?

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step