Answer:
612
Step-by-step explanation:
take 153 and 2 and divide
153/2=76.5
This answer is your rate in mph, so now take this and multiply by hours given
76.5*8=612 use a calculator.
Answer:
6.2832 square units (rounded off to four decimal values)
Step-by-step explanation:
Area of a semicircle =
× π × r²
r (radius) = 2 units
For our semicircle the area =
× π × 2² = 6.28318530718 square units
Or 6.2832 square units (rounded off to four decimal values)
Answer:
40
Step-by-step explanation:
25%= 
10×4=40
To get their combined time, get the sum of Vega's time and Janice's

Therefore, their combined time for their part of the relay is 53.659 seconds.