A_ is a letter that is written by someone you know and is used by a
college during the application process.
o
a. personal essay
o
b. letter of recommendation
o
o
c. letter of application
d. letter of endorsement

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm