Diana has 21 feet of ribbon. if she cuts hair ties that are 1¾ feet long, how many ties does she have?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?