Simplify the expression 7y – 8y + 5y + y2 – 1

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

Which of the following circles have their centers in the third quadrant? check all that apply.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount