Find the slope of the line given the following graph, points, or equation(2, -2) and (2, -9)
A. m = -7
B. m is undefined
C. m = - 1
D. m = 0
Answer: B
Mathematics
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A company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last the indicated amount of time.Between 290 hours and 540 hours
A. 1,641 B. 1,639 C. 3,185 D. 3,190
Mathematics
Find the limit.
sec 
A. -1
B. 0
C. 1
D. - 
Mathematics
Provide an appropriate response.What property of real numbers justifies the method of multiplying by the LCD of the parts? Why?
What will be an ideal response?
Mathematics
Find the exact solutions to the quadratic equation in the complex numbers.x2 + x + 6 = 0
A. 
B. 
C. 
D. 
Mathematics