Need with #s 2,4,5,6,7, and 10 don't understand how to do these complex triangles where theyre combined don't have to answer all if someone could explain step by step for number 2 i'm sure i can figure the rest out

Find the area of a parallelogram with base 15 yards and height 21 2/3

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens