Solve by any method. If there is not one solution to a system, state why. x - 4y = -28-4x - 5y = -56
A. (4, 8)
B. (-4, 9)
C. (3, 9)
D. (3, 8)
Answer: A
Mathematics
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Find the limit.
sin
A. 1
B. 0
C. 
D. No limit
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Convert. When necessary, round the answer to two decimal places.18 gallons = quarts
A. 9 B. 288 C. 72 D. 144
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Find the mean for the list of numbers.Inches of snowfall per month: 9.6, 10.5, 7.3, 10.5, 7.1Round answer to the nearest tenth if necessary.
A. 9.6 in. B. 7.5 in. C. 9 in. D. 10.5 in.
Mathematics
Provide an appropriate response.Let A = 
and B = 
.Does the matrix A - B have an inverse?
A. Yes B. No
Mathematics