Given that v=(5,-4,4) and w=(9,-2,7), evaluate v • w

Bring the fraction a/a-4 to a denominator of 16-a^2

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?