Answer:
In arithmetic, variables look like letters.
Step-by-step explanation:
As we know that Mathematical arithmetic deals with numbers and certain properties with them.
Some of the main properties between numbers are as follows:
Variables do not remain constant, so we basically assign a number to a variable with an equal operator denoted by '='.
For example, let us assume a variable x being equal to 7. so it can written as:

Let suppose the value of the variable x=7 changes to x=10, then the new value will be:

Therefore, the correct answer is:
In arithmetic, variables look like letters.
Answer:
256
Step-by-step explanation:
V=1/3*π*4^2*7,46=124.993
32000/124.99=~256
Answer: 
<u>Subtract 4 from both sides</u>
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<u>Divide both sides by 3</u>
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given ,
a circle of radius 12 inches
and
= 45°
now we know that ,

let's now plug in the values of radius and theta as 12 inches and 45° respectively ,

hope helpful :D
Answer: i think the answer is 17 x-10y=0