Provide an appropriate response.Given a = 5, b = -21, which of the following statements is false?
A. 
+ 
? -(a+b)
B. 
= a/b
C. 
= -ab
Answer: B
Mathematics
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Find the area of the specified region.Inside the lemniscate r2 = 4 sin 2? and outside the circle r = 
A. 
(3
- ?)
B. 
(2? + 3
)
C. 
(3
- ? + 6)
D. 
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Solve.George bought a book for $11.58. If he paid with two $10 bills, what was his change?
A. $8.42 B. $9.42 C. $9.00 D. $8.52
Mathematics
Solve the system of linear equations.6x + 9y = -18-2x - 7y = 6
A. No solution B. (-3, 0) C. (-3, 1) D. (-4, 1)
Mathematics
Graph the inequality.y ? x2 - 1
A. 
B. 
C. 
D. 
Mathematics