The first two terms in a sequence are 13 and 21. each subsequent term is the mean of the two previous terms. what is the fifth term in the sequence?
may you answer fast you.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Which of the following equations is equivalent to x/3-6/x=1

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.