Which situation would you describe with a negative integer? a. a price increase of $5 b. a 10 yard gain in football c. a fall of 25 feet d. a helicopter at 200 feet above a landing pad? show all work.

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

Find the difference (8ab+a+2) - (3ab+6)

This is so hard and it’s for a test