Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 
B. x = 20
C. x = 1
D. x = 1
Answer: C
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Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How long did it take her to walk a mile?1.7 minutes
A. Unreasonable, should be 17 minutes B. Unreasonable, should be 1700 minutes C. Unreasonable, should be 170 minutes D. Reasonable
Write the inequality in interval notation.-3 ? x ? 1
A. [-3, 1] B. (-3, 1) C. (-3, 1] D. [-3, 1)
A rubber ice-hockey puck has a 3.1 in. diameter. What is the surface area of one flat side of the puck?
a. 7.54385 in.2
b. 9.734 in.2
c. 3.77193 in.2
d. 30.1754 in.2