Apply the distributive property to simplify the expression -3(6x + 2)

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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