In New York City, taxi cabs make a loop around the block every 9 minutes and buses make the loop every 15 minutes. If they leave a stop at the same time, when will they both be back at the stop again?​

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7