There are some numbers that can be made into only one array. Find all of these numbers up
to 50.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25