Answer:
13
Step-by-step explanation:
Order of operations: PEMDAS
So first you do multiplication due to order of operations
So 4*2 = 8
then all that's left is 5+8 which is 13
39 liters
6.5×6=39
so 39 litres
9
33
formula- radius X 2 = diameter x 3.14 | 22/7 = circumference
10 1/2 x 22/7 = 33