a is the right answer

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step-by-step explanation:

57 732step-by-step explanation: i dont really.know...Read More

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765Work Shown:a = 3 is the first termr = 2 is the common ratioSn = a*(1-r^n)/(1-r) ... sum of the first n termsS8 = 3*(1-2^8)/(1-2) ... sum of the first 8 termsS8 = 3*(-255)/(-1)...Read More

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step-by-step explanation: given : line p is parallel to line rto prove : ∠1 is supplementary to ∠7proof : 1) line p is parallel to line r (given)∠2=∠3 ( corresponding angles of p...Read More

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you already gave the answerstep-by-step explanation:...Read More

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-1/12Step-by-step explanation:We are given the following expression and we are to simplify it leaving the answer in the form of an improper fraction:We will start by adding the fir...Read More

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