A researcher conducts a study on the effects of task difficulty (easy, hard) and presence of others (no one else present, 5 othe
1 answer:
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Given data:
The given cube .
The expression for the volume of the sphere is,
Thus, the volume of the sphere is 261 cubic-m.
Answer:b
Step-by-step explanation:
Given
Hilda draws a card from a deck of cards and it is seven.
It is certain that card is 7 so there a 4 cards which can be 7
i.e. 7 of hearts,7 of spades,7 of club,7 of diamond
So probability that it is the 7 of spades is