Prove the following by induction. in each case, n is apositive integer.
2^n ≤ 2^n+1 - 2^n-1 -1.

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)

What is the solution to the system of equations? y=1.5-3 y=-x

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes