Find an expression which represents the sum of (6x – 4) and (-2x + 5) in simplest terms.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

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

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?