Find the slope of the line containing the given pair of points. If a slope is undefined, state that fact.(9, -7) and (-4, -6)
A. 
B. - 13
C. - 
D. - 
Answer: D
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.
A. 
B. 
C. 256
D. 1
Mathematics
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Less than 76 cars
A. 83 people B. 68 people C. 34 people D. 84 people
Mathematics
Find the value of x that satisfies the equation.
- 
= x - 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Simplify by factoring.
A. 147x
B. 7x
C. 7
D. 3x2
Mathematics