Determine if the vectors u u =(-1,-4,3), v=(-4, 2, 6) and w =(3, -6, -3) are coplanar
using two different techniques.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =