Answer:
The right answer is, 4.
Step-by-step explanation:
Why:
164x5 = 820
So:
824-820 = 4
21/18 which simplifies to <u>7/6</u>
Answer: 40 bales of hay
Answer: 20
2^2=4
5*2=10
2^2 and 5 would be multiplied
x=9