Joe does push-ups, sit-ups, and jumping jacks. he does these in a different order every day. how many different orders are possible?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?