Solve the problem.A pendulum bob swings through an arc 50 inches long on its first swing. Each swing thereafter, it swings only 63% as far as on the previous swing. What is the length of the arc after 7 swings? Round to two decimal places.
A. 189.00 inches
B. 1.24 inches
C. 3.13 inches
D. 1.97 inches
Answer: C
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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 A - B.
A. 
B. 
C. 
D. 
E. 
Solve the problem.The demand function for a certain product is given by 
where p is price per unit. Recall that total revenue is given by R(p) = pD(p). At what price per unit p will the revenue be maximum?
A. $10 B. $5 C. $4 D. $2.5
Determine whether the three points are collinear.(7, -3), (-3, 6), (1, 1)
A. Yes B. No