Simplify by collecting like terms:

: = divided by

A) 3a : 7a

B) 4n X 3n

C) 5x + 2x : 4x

D) 6ab - 2ab

What is the measure of angle x? answer

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?