What is 7 2/4 + 3 3/4 + 5 1/4 + 8 3/4

What is the range? can’t seem to find it out

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

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