Answer:
615.75
Step-by-step explanation:
A=4 times pi times r squared
4 times pi times 49 = 615.752160104
Round it to 615.75
Answer:
i think its the firt one
Step-by-step explanation:
Answer:
there were 200 children and 500 adults at the show
Step-by-step explanation:
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
4900-7y+10y=6400
-7y+10y=1500
3y=1500
y=500
x=700-y
x=700-500
x=200
25 students
hope this helps