Answer:
D
Step-by-step explanation:
495 / 45 = 11 hours
Option D
Exponental law

so
√(81y^5)=√81 times √(y^5)
√81=9 or -9
√(y^5)=y^2 times√y
answer is 9y^2 times √y or -9y^2 times √y
3 + 5 = 8
1600/8 = 200
3 x 200 = 600
So the answer is 600
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2:3 is only the most simplified ratio, and since the store used 15 liters of paint, 15/3 = 5 liters of paint. That means 5 * 2 = 10 cans of blue paint.
7 x 14 = 98, 100 - 98 = 2.
She gives 14 cubes to each group, and there are 2 cubes leftover.
Hope this helps!