Find the volume. I hate these questions!!

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

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.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.