The area of the ice surface of a skating rink is about 221 yd. the rink is about the shape of a rectangle where
the ice-surface width is 4 yd longer than its length. find the dimensions of the surface.
o
a. length = 13 yd, width = 17 yd
o
b. length = 21 yd, width = 17 yd
o
c. length = 17 yd, width = 21 yd
o
d. length = 17 yd, width = 13 yd

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.