Chris has 4 rocks that weighs 12 kilograms. He keeps them in a box that weighs 6 kilograms. He can lift all of the rocks in the box above his head at once.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?