Find the area of an equilateral triangle (regular 3-gon) with the given measurement.
6-inch side.
a = sq. in.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62