a man covered distance 3.1 km with angle 25 in northern east direction whats displacment that should be covered by the man into north then east to reach same point?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Which of the following represents the factorization of the trinomial below? x^2+7x-30