Solve. Write the fraction in simplest form.The circle graph shows the fraction of books read by grades one through five. What fraction of books was read by the fourth and fifth grades combined?
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.What region in the xy-plane maximizes the value of 
?R
A. The ellipse 100x2 + 49y2 = 1
B. The ellipse 
+ 
= 1
C. The ellipse 
+ 
= 1
D. The ellipse 49x2 + 100y2 = 4900
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.5 B. 12 C. -0.05 D. 0.05
Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuit is W ? Y ? Z ? X ? W; weight = 445 B. Minimum Hamilton circuit is W ? X ? Z ? Y ? W; weight = 435 C. Minimum Hamilton circuit is W ? X ? Y ? Z ? W; weight = 435 D. Minimum Hamilton circuit is W ? Y ? X ? Z ? W; weight = 450
Two dice are rolled. Find the probability of the event described.The score on the dice is 7.
A. 
B. 
C. 
D. 