If a university randomly selects group of 250 freshmens, 20 are left-handed and there is 8,000 are in the class, what is the best prediction for the number of left-handed freshmen student?

Gina bought one pound of cheese and used 1414 of it. She split apart the remaining cheese into 55 equal parts to eat for lunch each day during the week. Which expression represents the cheese Gina will eat for lunch each day?

Jen exercises 30 minutes each day on Monday, Wednesday, and Friday. She practices yoga for 45 minute on Tuesday. How many hours per week does Jen spend exercising and practicing yoga?

A sports ball has a diameter of 16 cm. Find the volume of the ball.

What is the grearest common factor of 56 and 92

A new community organization has 12 members. In how many ways can it elect a president, a vice president, and a secretary from among its members if no member may hold more than one office?

How do you find the apothem of a pentagonal pyramid?

39 - 7X = - 4 (7X + 7) + 4 - = minus sign - = negative sign

Beth traveled for 8 hours and arrived at her destination 480 miles away. How far would Beth have traveled if she had continued on her trip for 2 additional hours? Name two different rates that can used in solving this problem.

Catlin is 64 1/4 inches tall. her older brother Jamie is 9 1/2 inches taller than Caitlin. jamie is 2 1/4 inches shorter than her father. how tall is her father? show your work

some large frames for $14 each and some small frames for $4 each at a closeout sale. If she bought 16 frames for $114, find how many of each type she bought