Step-by-step explanation:
the answer is in picture
Answer:
they should buy three more for the 5th grade to match the 4th grade
Answer:
The frequency increases as the pitch increases, and the amplitude increases as the volume increases
Step-by-step explanation:
You do distance over time to get the rate, so you'd do 27/2= 13.5mph then divide that in half since you're asking for the distance traveled in half that hour so you do 13.5/2 and you get 6.75 miles traveled in half and hour.
Try this explanation/solution:
a) the system which describes this situation is:

b) the solution of the system made up:
