Andrew buys books and videos in a store. he uses the expression 4b + 8v to find the cost of what he is buying, where b is the number of books and v is the number of videos he buys. use the expression to find the total cost of 3 books and 7 videos.

total cost =

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4