Let r^4 have the euclidean inner product. find two unit vec- tors that are orthogonal to all three of the vectors u= (1. 1. -4.0), v = (-1, 1.2,-2), and w = (3.-2. 5. 4).

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations