The graph represents a mechanic's labor costs for a given
number of hours of car repair.
which statement describes the relationship between labor
cost and time for a car repair?
250 +
car repairs
+
+
all repairs requiring 1 hour or less have the same labor
cost.
labor costs the same no matter how many hours are
used for a repair
labor costs for a repair are more expensive as the
number of hours increases.
there is no cost of labor for a repair requiring less than 1
hour.
+
+
labor costs ($)
+
+
0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5
labor time (hours)

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.