What is the slope of a line that is perpendicular to a line whose equation is 5y=10+2x ? enter your answer in the box?

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

Having a hard time understanding this question (see attachment).