Which is the slope of the line that contains the point (-2,7) and (2,3)

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

Choose the more precise measurement. 26.4 cm or 8.39 cm