Atrain leaves little rock, arkansas, and travels north at 65 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 435 kilometers apart?

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

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week