Determine the equation of variation.
A. y = 
B. y = 
C. y = 12x
D. y = -x + 13
Answer: A
Mathematics
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This frequency table gives the distribution of ages of 100 people in a small town.
How many people are:More than 50 years of age
A. 15 B. No answer possible C. 42 D. 28
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. 2 B. -2 C. -8 D. Not a real number
Mathematics
Find the vertex by completing the square.y = x2 + 3x - 17
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.
+ 4 ? 7
A. [-11, -5]
B. (-11, -5)
C. (-?, -11] ? [-5, ?)
D. [-5, ?)
Mathematics