Atriangle has side lengths of 26 in., 12 in., and 18 in., is this triangle acute, obtuse or right? explain your answer

3(10x-y)-5(x-y^2) need this solved asap

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.

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.