Add.12 + 67
A. 88
B. 69
C. 79
D. 77
Answer: C
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Solve the problem. Round your answer, if appropriate.The volume of a rectangular box with a square base remains constant at 600 cm3 as the area of the base increases at a rate of 8 
2/sec. Find the rate at which the height of the box is decreasing when each side of the base is 18 cm long. (Do not round your answer.)
A. 
cm/sec
B. 
cm/sec
C. 
cm/sec
D. 
cm/sec
Solve the problem.The average waiting time in a line before getting served is given by ?W = 
where A is the average rate that people arrive at the line and S is the average service time. At a certain bank, the average service time is 4 minutes. By sketching a graph of the equation on the interval 
answer the following questions. What happens to W when A is close to zero? Why does this make sense? What feature of your graph gives this information?
What will be an ideal response?
Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation."Is a cousin of"
A. Transitive; not an equivalence relation B. None; not an equivalence relation C. Symmetric and transitive; not an equivalence relation D. Symmetric; not an equivalence relation
Find the odds.Find the odds in favor of drawing an even number when a card is drawn at random from the cards shown below. 
A. 3 to 2 B. 2 to 3 C. 5 to 2 D. 2 to 5