Juan's model locomotive is 7 5/8 in. long. His coal car is 6 1/4 in. long. When hooked together, there is a 7/8-inch
space between cars. What is the total length when the
two cars are hooked together?
in.

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

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points