The current in a stream moves at a speed of 8mph. a boat travels 11mi upstream and 11 mi downstream in a total time of 13hr. what is the speed of the boat in still water?

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.