Answer:
(D) 
Step-by-step explanation:
Two variables x and y are proportionally related if they can be written in the form y=kx, where k is the constant of proportionality.
From the given options, if 
(B)
is of the form y=kx
(C)
is of the form y=kx with
as
in its lowest form.
(C)
is of the form y=kx with
as
in fractional form.
On the Contrary,
In Option D,
does not represent a proportional relationship between x and y. The constant of proportion is supposed to be a product of x.
Answer: 
Step-by-step explanation:
To solve this exercise it is important to remembet the definition Definition of a Logarithm:
If
and, 
, then
is equivalent to
(which is the exponential form).
Knowing this definition and having the following logarithmic equation:

You can identify that:

Therefore, susbtituting values into
, you can rewrite this equation as an exponential equation. Then:

Answer: 1,680 pints
Step-by-step explanation: 210 gallons= 1,680 pints
Hello there!
The answer is C.
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Explanation:
The value of 7 in 75 is 70.
The value of 7 in 7.5 is 7
Now, we must find how many time 7 goes into 70
70/7 = 10
This means that The value of 7 in 75 is 10 times the value in 7.5
I hope I helped!
Let me know if you need anything else!
~ Zoe
Answer:
8x+20
Step-by-step explanation:
You can use distubetive property. Well you multiply 4 to both of the numbers. 4 times 2x equals 8x. So that will be the first part of your expression. 4 times 5 equals 20. So that will be the second part of your expression. So the answer is 8x + 20