19. No
20. No
21. Yes
23. 1.8 miles
Answer:
There are 36 boys
Step-by-step explanation:
Answer:
.
Step-by-step explanation:
.
Answer:
3 miles
Step-by-step explanation: cause i did this
Formula: A=(pi)r^2
Substitution: A=3.14(7^2)
A=3.14(49)
Solve: A=153.86 in^2
*I personally like to use the pi sign on my calculator to multiply the radius squared by, but my keyboard did not have a pi sign. Usually, the pi sign is more exact. If you used the pi sign, your answer would be 153.94 inches^2. Hope this helps!