I'd assume you're asking two - two, which is 0. If it's two + two, then it's four. I hope this helps!
<7 = <2 (Alternate exterior angles)
3x + 10 = 70
3x = 60
x = 20
Answer is the 2nd one
20
The first one is the answer/
Hey! :)
Some things to note: When you bring a exponent to the numerator, you make it negative.
When you put an exponent to another exponent, you multiply the exponents together.

so that is your answer, please let me know if you need more of an explanation. :)
a quarter is 1.75 mm thick
1 mm = 0.0393701 inches
0.0393701/12 = 25.4 mm per inch
25.4/1.75 = 14.5 quarters per inch
14.5 x 12 = 174 quarters per foot
174 x 0.25 = 43.50
$43.50 for a foot of quarters