What is the area of this figure

Jessica is a custodian at oracle arena. she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate. at this rate how many sqaures meters can she wax per hour

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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