Suppose the two "legs" of the compass shown in the illustration are adjusted so that the distance between the pointed ends is 8 inches. What will the area of the circle be, if 
?
A. 200.96
B. 50.24
C. 3.1415926536
D. 16
E. none of these
Answer: A
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with length of major axis 16 and y-intercepts 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
A doctor orders 40 mg/m2 of prednisone for a patient who weighs 160 lb and is 5 ft 8 in tall. How many mg of this drug should be administered?
A. 74 mg B. 139 mg C. 70 mg D. 120 mg
Solve.Find the capacity (volume in cubic feet) of a rectangular chest with inside measurements of 7 feet by 2
feet by 1
feet.
A. 3
cu ft
B. 26
cu ft
C. 8
cu ft
D. 3
cu ft
Solve the problem.Jake has a cable that is 50.4 feet long. He wants to cut it into pieces that are 5.6 feet long. How many 5.6-foot pieces will he get from the cable?
A. 90 pieces B. 8 pieces C. 10 pieces D. 9 pieces