Decide whether the statement is true or false.Parallel lines lie in the same plane.
A. True
B. False
Answer: A
Mathematics
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Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Give a general formula for all the solutions.sin ? = 1
A. {?|? = ? + 2k?}
B. {?|? = 0 + 2k?}
C. 
D. 
Mathematics
Solve the system of equations using substitution.
A. x = 4, y = 3; x = 3, y = 4 or (4, 3), (3, 4) B. x = -4, y = -3; x = -3, y = -4 or (-4, -3), (-3, -4) C. x = -4, y = 3; x = -3, y = 4 or (-4, 3), (-3, 4) D. x = 4, y = -3; x = 3, y = -4 or (4, -3), (3, -4)
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = -4 cos 
xFind the amplitude.
A. 4
B. 
C. 6?
D. 
Mathematics