I need HELP PL

What is the mean of the data set?

10, 15, 14, 8, 18, 11, 12, 12, 10, 10, 17, 16

I will give brainlist

If 25% of y is 30, what is 60% of y?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?