Line ℓ1 has the equation x=0 and line ℓ2 has the equation x=7. find the distance between ℓ1 and ℓ2.
round your answer to the nearest tenth.

What is the range for 31,39,29,34,37,24,36,33,34,28

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.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction