Answer:
2
Step-by-step explanation:
3-(+1)
3-1
2
Trace several round objects onto the grid on Math Masters, page 436
Step-by-step explanation:





Answer:
25% ; 400%
Step-by-step explanation:
Answer:
B. 
Step-by-step explanation:
Find the missing length by subtracting 5^2-3^2 to get 4^2.
Then do 4^2+7^2 to get 65