Find the domain of the expression.
A. {
m ? 2}
B. {
m ? 1}
C. (-?, ?)
D. {
m ? -2}
Answer: D
Mathematics
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Perform the operation. Write the answer as a fraction in lowest terms.
+ 
A. 
B. 
C. 
D. 1
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Find the distance from (-10,2,-8) to the xy-planes. Select the correct answer.
a. 8 b. 16 c. 10 d. 2 e. 4
Mathematics
Round to the indicated place.A student has a test average of 76.48. Round this result to the ones place.
A. 76.4 B. 75 C. 76.5 D. 76
Mathematics
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 17 inches, ? = 120°, A = ?
A. 17.79 in2 B. 302.49 in2 C. 35.59 in2 D. 604.97 in2
Mathematics