Find the exact value without using a calculator. cos 2?
A. 0
B. 
C. -1
D. 1
Answer: D
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Provide an appropriate response.Consider the selection of a thirteen card bridge hand. Is this a combination, a permutation, or neither?
A. Combination B. Permutation C. Neither
Provide an appropriate response.
Steve has a propane tank that needs two coats of special rust prevention paint. He needs to cover the entire tank. How much surface area will each coat have to cover?
A. 55.0 ft2 B. 196.3 ft2 C. 176.7 ft2 D. 314.2 ft2
Factor the expression completely, if possible.x3 - 27
A. (x - 3)(x2 + 9) B. (x + 3)(x2 - 3x + 9) C. (x + 27)(x2 - 1) D. (x - 3)(x2 + 3x + 9)
First round each number to one non-zero digit. Then perform the calculation using the rounded numbers to obtain an estimate.318.44 ÷ (41.9)
A. estimate: 7.5 B. estimate: 8.5 C. estimate: 7.6 D. estimate: 8