Solve.If 2 ft 7 in. of material is used to manufacture one scarf, how much material is needed for 9 scarves?
A. 23 ft 3 in.
B. 19 ft 13 in.
C. 18 ft 7 in.
D. 27 ft 9 in.
Answer: A
Mathematics
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Find the exact value of the indicated trigonometric function of ?.tan ? = 
, 180°< ? < 270°Find cos ?.
A. 
B. 
C. -21
D. - 
Mathematics
Find percent notation.
Round to the nearest tenth, if necessary.
A. 83.3% B. 5% C. 60% D. 50%
Mathematics
Solve the problem.A rectangular box with square base and no top is to have a volume of 32 ft3. What is the least amount of material required?
A. 36 ft2 B. 42 ft2 C. 40 ft2 D. 48 ft2
Mathematics
The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.
What is the mode of the diameters of the moons?
A. 723 km B. 310 km C. No mode exists D. 950.2 km
Mathematics