Measure these angles.
a)
b)

Which statement about perfect cubes is true

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.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles