Answer:
9/10 I do this a lot
step-by-step explanation:
1/2 changes to 5/10 and 2/5 becomes 4/10 then you add and there is your answer
For both of these questions you want to raise every part to the 4th or 2nd power. Just remeber that a power raised to a power is just multiplied.
3.)
3^4 = 3×3×3×3 = 9×9 = 81
x^4 = 1×4 = 4 so x^4
2^4 = 2×2×2×2 = 4×4 = 16
so

4.)
2^2 = 2×2 = 4
5^2 = 5×5 = 25
(n^9)^2 = 2×9 = 18 so n^18
so

Hope this helps!
The number is 24. If 8 is one third of the number, you multiply 8 by 3 to find the number, which is 24.
let inches of snow be x..
x=6 1/2-3/4
3/4+x=6 1/2
Explanation:
Convert 1/2 into similar denominator:
1/2=2/4=x2
3/4=3/4=x1
Convert into mixed number:
6 2/4=6x4+2=26/4
Subtract the terms:
26/4-3/4=23/4
Answer:
x=23/4 or 5 3/4.
162 short sleeve shirts; if you add 9 and 4, you get 13. Then, divide 234 by 13, which equals 18. 18 multiplied by 9 is 162.