Find the exact value of the expression.
A. - 
B. -2
C. - 
D. -
Answer: D
Mathematics
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Solve the problem.Find the equation of a circle in standard form where C(6, -2) and D(-4, 4) are endpoints of a diameter.
A. (x - 1)2 + (y - 1)2 = 34 B. (x + 1)2 + (y + 1)2 = 136 C. (x + 1)2 + (y + 1)2 = 34 D. (x - 1)2 + (y - 1)2 = 136
Mathematics
Solve the problem.It costs $37 per hour plus a flat fee of $29 for a plumber to make a house call. Find the total cost to have a plumber come to a house for 10 hours.
A. $327 B. $1083 C. $370 D. $399
Mathematics
Estimate by rounding as directed.32.462 - 10.3723; nearest tenth
A. 22.5 B. 22.7 C. 22.1 D. 22.3
Mathematics
Reduce the rational expression to lowest terms.
A. - 
B. - 
C. x + 4
D. 
Mathematics