Yes it’s 7 and you are right
This is a picture of my work. Hope it is easy to understand.
Answer:
The formula to find the volume of a hemisphere is 2TTr3 / 3, where pi is 3.14, and the radius is half of the diameter.
Step-by-step explanation:
Number 1 is Rio Grande and number 2 is St. Lawrence River
Step-by-step explanation: