PLEASE PLEASE PLEASE HELP ME WITH THIS PROBLEM! I HAVE NO IDEA WHAT TO DO!

If lmn=xyz, which congruences are true by cpctc? check all that apply

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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