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Answer:
$21.84
Step-by-step explanation:
.30
31.20 * .30=9.36
31.20 - 9.36 =21.84
The price of the shirt before the markup is $21.84.
[CloudBreeze]
ANSWER
The equation is

EXPLANATION
Let the equation be

where

is the slope of the line.
We substitute this value to obtain,

Since the line passes through

we can use this point to determine the value of c.
We substitute this point to obtain,



Our equation now becomes

We can write this in standard form as
They are supplementary angles because their sum equals 180 degrees, and they are adjacent because they share a side.
Answer:
Necessarily it could be anything
Step-by-step explanation:
If you want a repeating decimal digit of 0 it's going to be all decimals just to a different place like the tenths place. For example 0.5 is also 0.500000000000... That is why pretty much every decimal has a repeating digit of 0.