Does anyone know this!? Pick the one the correctly describes it! If its correct ill mark you as the best answer!

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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

Finding tbe values of the variables in each kite