The volume of the atlantic ocean is about 3.1*10^17 cubic meters. the mississippi river has an annual flow og 6.3 * 10^11 cubic meters. how many times would the annual flow of the mississippi river fit in the atlantic ocean.

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

A(t)=728(1+0.04)^t how much money did aditya originally invest

The sum of two numbers is 86, and their difference is 20. find the two numbers