In April, Justin sent 675 text messages on his phone. In May, he sent 810 text messages. By what percent did the number of text messages Justin sent increase from April to May?show work

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).

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step-by-step explanation:

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the answer is d.x= 90°

y= 50°

arc lm= 100°

i got this one chief