Write the augmented matrix for the system. 9x - 4y = 9 8y - 2z = -5 -5z = 9
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use various trigonometric identities to simplify the expression then integrate.
cos 5? d?
A. 
sin 3? - 
sin 5? - 
sin 7? + C
B. 
sin 5? - 
sin 3? - 
sin 7? + C
C. 
sin 5? - 
sin 7? - 
sin 3? + C
D. 
sin 5? - 
sin 3? - 
sin 7? + C
Mathematics
Evaluate. The differential is exact.
A. 0
B. 
+ ln 4
C. 
+ ln 4
D. 
+ ln 4
Mathematics
Provide an appropriate response.Convert 105°15'32" to radians rounded to the nearest hundredth.
A. 1.84 rad B. 0.58 rad C. 6.03 rad D. 105.15 rad
Mathematics
Convert 0.81 micrograms to nanograms.
a. 0.00081 ng b. 0.081 ng c. 8.1 ng d. 810 ng
Mathematics