Train a and train b left a central station at the same time they travel the same speed but in opposite directions return a heading towards station a and train be heading towards station b train a reaches station a after 4 hours then train be reaching station be after three and a half hour station a station b r 562.5 miles apart what is the rate of the trains

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

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