Using the order of operations, what is (3/5 + 1/10) ÷ 2?

Which expression gives the area of the triangle shown below

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?