The greatest common factor of monomials 4x^2y^n and 8xy^3 is 4xy. Find the value of n. Please I need help

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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

Answer for 10 points show work you guys in advanced < 3