Find the inner product for (4,8). (6,-3) and state whether the vectors are perpendicular.
a. 0; no
c. 1; no
b. 0; yes
d.
1; yes

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Does the point (1, sqrt 7) lie on circle shown.