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tell whether the sequence is arithmetic. if it is, what is the common difference? 15, 19, 23, 27, . . a. yes; 15/19 b. yes; 4 c. yes; 34 d. no

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

How far could you drive on 50 gallons of gas

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de