Solve. the 245 fifth graders at miller school are going on a trip to the aquarium. each van can carry 16 students. how many vans are needed for the trip?

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Y=21.95x+10 y=22.45x solve by substitution