A kindergarten class has 9 girls and 11 boys in the class what percent of the class are girls

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

What number can each term of the equation be multiplied by to eliminate fractions before solving ? 6-3/4x+1/3=1/2x+5