Rose hiked at a constant rate of 13 miles per day for 7 days. how many miles did rose hike during that time? a. 91 mi. b. 111 mi. c. 124 mi. d. 137 mi.

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?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?