Nancy: 5 Stan: 10
5 is 5 years
younger then Stan
And 5 is twice as
young as 10
5x and -8x are like terms. 6 is not a variable. 5 is the coefficient of the term 5x. X is not the constant.
Circumference, C = 2
r. Find the radius using this formula then use it to find the area with A = 
.
OR use the formula A = 
Hope it helps. mark as brainliest if it does...