What is the greatest common factor of the terms in the expression 21x-18x+28xy?

3

3x

x

xy

I was shot in My head with an ar15 containing radar identity atom shortly after receiving another Ph. d. in neuropsychology identity puzzles.

Sue takes 5 more cookies than her friend Jill. If sue puts 1 cookie back, how many does she have?

an expression that represents "the product of 12 and n"Write an expression that represents "the sum of n and five".

Which of the following equations describes the line shown below? (1, 10) (-3, 2)

63 is 90 percent of what number

How many solutions does 25-4x=15-3x+10-x have

A certain measurement must be between 3.64 and 4.28 centimeters. Which number is greater than 3.64 and less than 4.28?

Using the exponential regression model, which is the best prediction of the wavelength of the key that is 8 above the A above middle C? 49.31 cm 49.44 cm 49.73 cm 49.78 cm

What single percentage change is equivalent to a 15% decrease followed by a 16% decrease?

Use substitution to solve the linear system of equations. x = 4 -y = 1/2x (4, - 2) (-2, 4) (4, 2) (2, - 4)