A student surveyed 100 students and determined the number of students who take statistics or calculus among seniors and juniors. Here are the results. Let A be the event that the student takes statistics and B be the event that the student is a senior.
What is P(A and B)?
A. 0.15
B. 0.33
C. 0.47
D. 0.68

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?