Which function represents the data in the table x: 3,6,10,15 y: 2.5,4,6,8.5 a. f(x)=2x+1 b. f(x)=x/2-1 c. f(x)=2x-1 d. f(c)=x/2+1

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Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .