A storage facility has 14x units that costs $90 monthly to rent. Next month, the facility increases the price per unit by $6x monthly.

Which of the following equations could be used to determine the amount the storage facility will earn next month if all of their units are rented?
A. y= $(84x^2+540x)

B. y= $(20x^2+104x)

C. y= $(1,260x^2+6x)

D. y= $(84x^2+1,260x)

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

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