Find the mean, median, mode, and range of data set. 65, 46, 78, 3, 87, 12, 99, 38, 71, 38

Since the y in the first equation is positive and the y in the second equation is negative the t’s would completely cancel out. y is like saying 1y and negative y is like saying -1y. if you add 1 to -1 you get 0 n

I’d go with b hope it

There is 2 ways you can find out which is longer. 1. turn both to a decimal 2. turn them both to a fraction and cross multiple and the bigger number is longer time. so the answer is 0.75