Nia receives a package in the shape of a cube. Each side of the package is 1 foot long.

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

How do i i solve this equation? -18 = x/3 + 3

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i