Please help!! Write an equation to represent this arithmetic sequence.

Use the equation you found in question 18 to find the 5th and 20th terms in the arithmetic sequence.

Show your work using the math editor in order to earn partial credit for incorrect answers.

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

pi x^2

step-by-step explanation:

pi times x squared

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