CD is the image of AB after a dilation of scale factor k with center E. Which ratio is equal to the scale factor k of the
dilation?

For what value of x does 4x = (1/8) x + 5?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.