Choose the property of addition that justifies the equation. (5 + y) + 7 = 7 + (5 + y)
Choose one)
0 + a = a
(Choose one)
(5 + x) + 6 = 5 + (x + 6)
(Choose one)

just keep asking questions until you have a better understanding.

step-by-step explanation:

you have to wait a while to reward brainliest if only one person answers. if 2 people answer there should be a "mark brainliest" on their question.

i cant fully remember all of the ranks, here are the ones i remember.

hand, ambitous, ace, genius.

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

answer: i dont know i want points

step-by-step explanation: