Solve.During the month of January 1997, the depth, d, of snow in inches at the base of one ski resort could be approximated by 
where t is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 26th.
A. 24 inches
B. 42 inches
C. 16 inches
D. 21 inches
Answer: C
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Simplify
Find the specified minor and cofactor for the matrix A.M21 and A21 if A = 
A. M21 = -27 and A21 = 77 B. M21 = -24 and A21 = 24 C. M21 = -24 and A21 = -24 D. M21 = -27 and A21 = -27
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00