How do u solve (c+1)^2

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

df =

both have same length