Given u =<1,2>, v= < -2,3> and w < 4,1>. What is (w. v) u?

Aparallelogram has two side lengths of 5 units. three of its sides have equations y = 0, y = 2, y = 2x. find the equation of the fourth side.

2-digit numbers less than 91 which are 1 less than a multiple of 10

Aline on the wall and a line on the floor are skew. always, sometimes, or never?