Atrain travels in a straight path at a steady speed of 1.25 miles per minute. at noon, the train is 100 miles from the starting point. express the distance d from the starting point as a function of time, x, in minutes after noon. d = 1.25 + 100x d = 100 + 2.5x d = 1.25x d = 100 + 1.25x

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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