3 part question. ( picture shows graph). 1. Find the slope and describe what it represents.

2. Find the y-intercept and describe what it means.

3. Write an equation that represents the above scenario.

What is the percent of increase for a population that changed from 438,000 to 561,000

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

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