A number is chosen at random from the first 100 positive integers. Find the probability that the number is not divisible by 10 or 3. 3/5
3/10
57/100

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.