Brandy's time card showed that she worked 20 hours worth of life-guarding at the pool. if each shift only lasts 45 of an hour, how many shifts did brandy work?

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet