Ineed out of fifty students, twenty five are taking math competition classes and 29 are taking geometry. given that 12 are taking history and no math classes and nineteen students are in both math classes. a. how many students are in neither class? if you , i'll mark you the brainliest !

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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165.75 years

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