Three items were bought at a car boot sale. Item A Mass = 42 grams Volume = 2 cm Item B Mass = 87.5 grams Volume 5 cm3 Item C Mass = 147 grams Volume = 7 cm3 = The density of platinum is approximately 21 grams per cmº. Which of the items cannot be platinum? You must show your working.

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.

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?