Solve the system as matrix equations using inverses.A company produces three models of MP3 players, models A, B, and C. Each model A machine requires 
of electronics work, 2.8 hours of assembly time, and 4.4 hours of quality assurance time. Each model B machine requires 
of electronics work, 
of assembly time, and 
of quality assurance
time. Each model C machine requires 
of electronics work, 
of assembly time, and 
of quality assurance time. There are 
available each week for electronics, 
for assembly, and 
for quality assurance. How many of each model should be produced each week if all available time must be used?
A. Model A: 28
Model B: 22
Model C: 45
B. Model A: 31
Model B: 20
Model C: 44
C. Model A: 30
Model B: 15
Model C: 50
D. Model A: 30
Model B: 20
Model C: 45
Answer: D
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Draw the angle in standard position.60°
A. 
B. 
C. 
D. 
Round to the indicated place value.Round to the nearest hundredth: 0.996
A. 1.09 B. 0.99 C. 1.00 D. 1.10
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.tan 
A. 
B. - 
C. -
D. 
Determine whether the statement is true or false.|-2 - (-7)| = |-2| - |-7|
A. True B. False