Answer:
$17.22 per foot
Step-by-step explanation:
To find the unit rate, divide the amount of money by the amount of feet. This will give you how much money per one foot.
310/18= 17.22222
1. 3x^1 + 8 - (2x^2 + 1).....distribute the negative thru the parenthesis
3x^1 + 8 - 2x^2 - 1....now combine like terms
-2x^2 + 3x^1 + 7
2. 5x^2 + 3x - 4 - (x^2 - 6x)...same thing..distribute
5x^2 + 3x - 4 - x^2 + 6x...combine like terms
4x^2 + 9x - 4
Answer:
310
Step-by-step explanation:
A circle is 360 degrees
50 +x = 360
x = 360-50
x = 310
