For a two-day rental at the surf shop, it costs $45 to rent a surf board and $60 to rent a paddle board. on a certain weekend, the surf shop rented 44 total surf boards and paddle boards and made $2265. how many paddle boards were rented

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answer:   rotate 270° clockwise about (7, 1) and reflect across the line x = 7

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because i took test

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

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i am only able to answer the first part. i am not sure about the second part. sorry

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).