Answer:
X=3
y=6
Step-by-step explanation:

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hope it helps...
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Answer:
5 times the square root of 2 or 7.071
Step-by-step explanation:
Hope it helps!
Answer:
The number of non empty proper subsets of a set with 3 elements is =23−2=8−2=6.
Ok so you do 900 ÷ 10 which = 90 and 90 x 10 = 900 so the answer is 90
(y^2)^5 × y^8
Use the rule:

To get:
y^10, then, use the rule:

To eventually get:
y^(10+8) = y^18 or: y18 seeing as you wrote it like that.