Perform the indicated operation.
A. x + 3
B. x + 2 + 
C. 
D. x + 2 - 
Answer: D
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Find the volume.Find the volume of the right circular cone. Use 3.14 for ?. Round to the nearest whole number.
A. 14 cm3 B. 57 cm3 C. 85 cm3 D. 38 cm3
Solve the problem.Suppose a life insurance policy costs $28 for the first unit of coverage and then $7 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $70 B. $98 C. $42 D. $91
The mean is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the harmonic mean (H.M.), is used to average speeds. This mean is defined to be the sum of the reciprocals of all scores divided into the number of scores. For example, the harmonic mean of the numbers 4, 5, 6, 6, 7, 8 is
Find the arithmetic mean and the harmonic mean of the numbers 1, 1, 6, 6, 7, 8, 8, 9, 9, and 10.Round your answers to the nearest tenth.
The arithmetic mean is__________The harmonic mean is__________
What will be an ideal response?
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°