On a airplane, there are two seats on the left side in each row and there seats on the right side. there are 90 seats on the right side of the plane how many seats are on the left side of the plane?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

What is 0.000008 meters in scientific notation

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28