Solve the problem.The disk (x - 5)2 + y2 ? 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 1.)
A. 5?2
B. 5?
C. 10?2
D. 
?2
Answer: C
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Solve the problem.The elasticity ? of a particular thermoplastic can be modeled approximately by the relation 
, where T is the Kelvin temperature. If the thermometer used to measure T is accurate to 1%, and if the measured temperature is 473 K, how should the elasticity be reported?
A. ? = ± 0.004 B. ? = 0.176 ± 0.002 C. ? = 0.176 ± 0.004 D. ? = 0.176
Use the table below to write the Hindu-Arabic numeral as a traditional Chinese numeral.
8506
A. 
B. 
C. 
D. 
Solve.A triangle drawn on a map has sides of lengths 8.0 cm, 11 cm, and 13 cm. The shortest of the corresponding real-life distances is 97 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 133 km B. 158 km C. 60 km D. 115 km
Determine whether the statement is an expression or an equation.8m + 8 = 4m + 44
A. Equation B. Expression