Calculate the mean, median, and mode of the following set of data. round to the nearest tenth.
12, 7, 12, 9, 2, 15, 6, 6, 6, 1, 11

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

In angle pqr find the measure of