Add or subtract. Express the answer as a mixed number.19
+ 3
A. 23
B. 22
C. 21
D. 19
Answer: B
Mathematics
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Solve the problem.The length of a rectangular frame is 3 cm more than the width. The area inside the frame is 54 square cm. Find the width of the frame.
A. 12 cm B. 9 cm C. 7 cm D. 6 cm
Mathematics
Use the fundamental identities to simplify the expression.
A. tan2? B. sec2? C. sin ? D. cos3?
Mathematics
Find all numbers not in the domain of the function.f(x) = 
A. 0 B. 5, -3 C. 4, -4 D. -5, 3
Mathematics
Determine the equation of the line.
A. y = 9
B. y = - 
x + 9
C. y = -2x + 9
D. y = -2x
Mathematics