On the summit of a mountain, rising 784 1/5 meters from sea level, is put a tower rising a height of 38 1/25 meters. On the roof of this tower is a lightning rod with a height of 3 4/5 meters. At what height above sea level is the very top of the lightning rod?

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

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way