Can somebody answer this
2 3/4 + 12 6/8 =

Ineed i been stuck on this question since yesterday

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

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?