Simplify and reduce to lowest terms.
+ 
A. m - 4
B. m + 2
C. m - 2
D. 
Answer: C
Mathematics
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Find the area of the specified region.Inside the circle r = 
sin ? and outside the cardioid r = 1 + cos ?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
+ 
= 
A. {-5 } B. {-10 } C. {-3 } D. {-12 }
Mathematics
Solve the problem. Round to the nearest tenth if necessary.The price of a printer was reduced from $400 to $240. What was the percent of decrease?
A. 60% B. 40% C. 45% D. 66.7%
Mathematics
Solve the problem using the quadratic formula.For a car traveling at x mph, stopping distance is estimated by the formula d(x) = 
x2 + 
x. Find a (maximum) safe speed for a stopping distance of 630 ft. Round your answer to the nearest mph.
A. 65 mph B. 70 mph C. 73 mph D. 61 mph
Mathematics