Answer:
8 feet per second.
Step-by-step explanation:
We have been given that a car is driving away from a crosswalk. The formula
expresses the car's distance from the crosswalk in feet, d, in terms of the number of seconds, t, since the car started moving.
We will use average change formula to solve our given problem.





Therefore, the the car's average speed over the given interval of time would be 8 feet per second.
Answer:
All beside D
Step-by-step explanation:
Answer:
The first answer: 5bk + 5b + k
Step-by-step explanation:
Now, you might say it would be the 10bk one, but that's not right.
The only you can get two variables together is through multiplication. That's why 10bk would not work.