Classify the statement as true or false.The set of vowels ? The set of letters of the alphabet
A. True
B. False
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 3 cos t + cos 3t, y = 3 sin t - sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the coordinates of 
after it is moved 
units to the right.
A. (0, 1)
B. 
C. 
D. 
Mathematics
Solve the system.
- y = -2x2 + 2y = 91
A. (0, 45.5) B. (9, 5) C. (9, 5), (-9, 5) D. (3, 25)
Mathematics
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.- 
x2 + 7xy + 5y2 + 5
y + 39 = 0
A. x = 
(x' - 2y') and y = 
(2x' + y')
B. x = 
(x' + 2y') and y = 
(2x' - y')
C. x = 
(2x' + y') and y = 
(x' - 2y')
D. x = 
(2x' - y') and y = 
(x' + 2y')
Mathematics