Solve this easy question and get ! there are two trains. both trains are going to the same place, taking the same stops, and are going the exact same speed. but one train arrives in 80 mins and the other train arrives in 1 hour and 20 mins. how is this possible?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)