How many ways can someone randomly dial a
7-digit phone number?

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.)

For each proportion find the unknown number x 1/5/8=×/15

What number line represents the solution set for the inequality -1/2 greater than or equal to 4