A recursive sequence is defined by aₙ₋₁ = 2aₙ - aₙ₋₁ with a₁=0 and a₂=1. Which of the following represents the value of a₅? 1) 8
2) -7
3) 3
4) 4

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.