need help quick find the value of x in the triangle shown below

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer