How to solve using quadratic formula and imaginary numbers

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 table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the