It's the first one. y = 3x
proportional means they are just some multiple of the other.
Answer:2/20 =
2 ÷ 20 =
0.1 =
0.1 × 100/100 =
0.1 × 100% =
Step-by-step explanation:
google
Step-by-step explanation:
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Answer:

Step-by-step explanation:
This question is asking us to rewrite the original expression it in the form 
First we have

By the law of exponents we know that when we are multiplying expressions that have the same base, we need to add up the exponents.
Thus, this would mean that, in order to multiply this expression, we need to sum up the exponents so we have:

Thus, this expression can be rewritten as:

Answer:
The correct option is option D
Step-by-step explanation:
The volume of a pyramid is:
V=1/3(B)(H)
Where
B:Base = s^2
H:Height = 2/3s
Then:
V=1/3(B)(H) = 1/3(s^2)(2/3s) = 2/9s^3
The correct option is option D