Find the area under a normal curve between 
and 
.
What will be an ideal response?
0.6986
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Provide an appropriate response.Suppose that A is an m × n matrix and B is a p × q matrix. Under what conditions will the sum A + B exist?
A. The sum will always exist. B. The sum will exist if m = p and n = q. C. It is not possible for the sum to exist. D. The sum will exist if n = p.
The linear depreciation method assumes that an item depreciates the same amount each year. Suppose a new piece of machinery costs $33,000 and it depreciates $850 each year for t years. Set up a linear function that yields the value of the machinery after t years.
A. f ( t ) = 850t - 33,000 B. f ( t ) = 850t + 33,000 C. f ( t ) = 33,000 - 850t D. f ( t ) = 33,000t + 850 E. f ( t ) = 33,000t - 850
Provide an appropriate response.Change 0.6 to its fraction or mixed-number equivalent and reduce to lowest terms.
A. 
B. 
C. 
D. 
Solve by the substitution method.8x + 7y = -7 -6x - 4y = 4
A. (0, 0) B. (-1, 0) C. (-7, 4) D. (0, -1)