Yuto and lian are at train stations 1,880 kilometers apart. yuto boards a train heading east at an average speed of 220 kilometers per hour. at the same time, lian boards a train heading west on a parallel track at an average speed of 250 kilometers per hour. how far has lian traveled when the two trains pass each other?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

What ia the sum if the first 7 terms of the geometric series

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.