Solve the problem.On a map of Nature's Wonder Hiking Trails, 1 centimeter corresponds to 6 miles. Find the length of a trail represented by a line that is 7
centimeters long on the map. Write the answer as a mixed number, if necessary.
A. 547
mi
B. 
mi
C. 1
mi
D. 45 mi
Answer: D
Mathematics
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log3 81 = 4
A. 43 = 81 B. 814 = 3 C. 381 = 4 D. 34 = 81
Mathematics
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth,if necessary.Find the volume of the shaded portion of the figure. All dimensions are in feet.
A. 18,086.4 ft3 B. 9676.8 ft3 C. 32,153.6 ft3 D. 16,076.8 ft3
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.-3, 3, 9, 15, 21, . . .
A. a1 = 6, d = 9 B. a1 = -3, d = -3 C. a1 = -3, d = 6 D. a1 = 6, d = -6
Mathematics
Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Mathematics