Use the graph to write the explicit rule of the arithmetic sequence.

Nine more than four times a number is the same as one less than twice the number. find the number?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2