Simplify each expression. Justify each step. 1. (12 + 8x) + 13

2. (7-7) + 12

3. (5 x m) x 7

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear