Question

Slove These Please And Explain Too​

Answer 1

Answer:

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Step-by-step explanation:

7)c) eight times

No reason just get it cubed

2*2*2=8

8)a)2/5

Because probability is number of favourable outcomes upon total number of possible outcomes

Favourable- 8

Total-20

Divide in shortest form

2/5

Answer 2

In 7 question instead of ratio it is radius

It becomes 8 times , substitute 2r (doubled radius) in the formula of finding volume of sphere

In 8 question,it is 2/5

Hope it helps