Solve.Four times the difference of a number and one is equal to six times the sum of the number and three. Find the number.
A. -2
B. -7
C. 11
D. -11
Answer: D
Mathematics
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Find an equation of variation in which y varies inversely as x and the following is true.y = 0.875, when x = 16
A. y = 
B. y = 
C. y = 14x
D. y = 
Mathematics
Solve.Find the volume generated when the shaded region is revolved about the y-axis.
A. 28 - 7?
B. 7? + 7?2
C. 14? - 
?2
D. 28? - 7?2
Mathematics
Find the exact value of the expression. Do not use a calculator.sin 
- cos 
A. 
B. 
C. 1
D. 0
Mathematics
Find the sample space of the diamonds from a standard deck of 52 cards.
A. [3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] B. [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King] C. [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10] D. [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Queen, King] E. [Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack]
Mathematics