Provide an appropriate response.Let A = 
and B = 
.Does the matrix A + B have an inverse?
A. No
B. Yes
Answer: A
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Solve the problem.Let u = 6i + j, v = i + j, and w = i - j. Find scalars a and b such that u = av + bw.
A. 6v + w B. 6v - w C. 3.500 v + 2.500w D. 0.2857 v + 0.4000 w
Solve the problem.Two friends are planning to meet between 2:00 pm and 3:00 pm. They agree that whoever arrives first will wait only 10 minutes and then leave. Letting 0 represent 2:00 and 60 represent 3:00, graph the possible times when the friends will actually meet and when their total arrival time (i.e. time between 2:00 and the arrival time for each) is between 50 and 70 minutes.
A. 
B. 
C. 
D. 
Factor out the GCF from the polynomial.28m9 - 36m6 - 36m3
A. m3(28m6 - 36m3 - 36) B. 4m3(7m6 - 9m3 - 9) C. 4(7m9 - 9m6 - 9m3) D. -4m3(7m6 + 9m3 + 9)
Complete.21,120 ft = 
mi
A. 4.5 B. 4 C. 5 D. 105.6