PLZ HELP ASAP
No links please

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?