The tourists went in the first hour with a speed of 3.5km/h to the bus station, realizing that they would arrive 1 hour late at the bus station by moving so, they increased their speed by 1,5km/h and arrived now 30 min earlier. How long is the distance they walked?

Ineed with number 6 , explain how to get 1978

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 ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15