Express the set in simplest interval form.(-?, 5) ? [-3, 8]
A. (-?, -3]
B. [-3, 5)
C. (-?, 8]
D. (5, 8]
Answer: C
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Find the area of the specified region.Shared by the circles r = 4 and r = 8 cos ?
A. 
(2? + 3
)
B. 
(4? - 3
)
C. 
?
D. 8?
Add.7697
A. 34 B. 33 C. 36 D. 31
Solve the problem.A leading electronics manufacturer guarantees the buyer that their purchase will have no defects. If the purchased item is later shown to be defective, the buyer can receive a full refund along with a 20% discount on their next purchase. Let d represent "The purchase contains no defects," r represent "The buyer will receive a full refund," and q represent "The buyer will receive a 20% discount on their next purchase." Write the guarantee symbolically.
A. d ? (r ? q) B. ~d ? (r ? q) C. d ? (r ? q) D. (d ? r ? q)
Use the Gauss-Jordan method to solve the system of equations. 5x - y + z = 8 7x + y + z = 612x + 2z = 14
A. 
B. 
C. 
D. 