Answer:
i know right
Step-by-step explanation:
It’s addition
If you want I can explain it to you in the comments
Answer:
5 times as large
Step-by-step explanation:
The ratio of the two numbers tells you how many times as large one is as the other:

Answer:
1+3+5
Step-by-step explanation:
I think
Answer:
SA = π3^2 + π3(7.5)
Step-by-step explanation: r is radius and L
is r*l/2
so 3*5/2=15/2=7.5
seriously look at a problem more carefully and memorise your formulas!