A company projects that its total savings S (in dollars) by converting to a solar-heating system with a solar-collector area A (in m2) will be equal to the formula below. Find the area that should give the maximum savings and find the amount of the maximum savings. S= 420A-0.25A^3

55? i think maybe

step-by-step explanation:

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

hello i might . what do you need.

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