1. Jack and his friends are collecting cans for the food bank. Thus far, they have collected 1500 cans. Jack has collected 60 percent of the cans. Marcia has collected 25 percent of the cans. How many cans have their other friends collected thus far? a. 200 b. 225 c. 375 d. 900 2. Solve 3/4 + 1/3 = a. 4/7 b. 4/4 c. 4/3 d. 13/12 3 . The arrow is pointing to the ____________________ ___ . a. Aortic semilunar valve b. Mitral valve c. Pulmonary semilunar valve d. Tricuspid valve 4. What role does DNA play in the S phase of the cell cycle? a. DNA condenses to become as small as possible for replication. b. DNA must uncoil and be copied. c. DNA remains unchanged. d. DNA is converted to RNA. 5. Solve 4 + (-3)*2 = a. - 2 b. 2 c. - 10 d. 10 6. Casey walked 2.1 miles to the grocery store. She then walked 0.5 miles to the post office and 0.8 miles to work. How far did she walk in total? Convert your answer into kilometers. a. 2.11 km b. 3.72 km c. 5.01 km d. 5.47 km