One lap around a dirt track is 13 miles. It takes Bryce 19 hours to ride one lap. What is Bryce’s unit rate, in miles per hour, around the track? *

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0