There are 6 classes going on a field trip. Each class has 28 students and 7 adults going on the trip. They are all traveling by van. Each van holds 9 passengers. What is the fewest number of vans they will need? O A. 19 B. 20 C. 23 O D. 24​

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15