Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Answer: C
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Find the area.Find the area of the region in the first quadrant between the curve y = e-3x and the x-axis.
A. 1
B. 
e
C. 
D. 3
Solve the problem.ACME package delivery pays employees for each package they deliver. Last week Josef delivered 21 packages. Find his gross weekly earnings if he is paid at the following differential piece rate.1-10 packages$4.00 each11-15 packages$5.00 each16 or more packages$6.00 each
A. $101.00 B. $126.00 C. $84.00 D. $96.00
Use the given information to find the exact value of the trigonometric expression.cos ? = 
; The terminal side of ? lies in Quadrant IV.
Find sin 2?.
A. - 
B. - 
C. 
D. 
Solve the problem.A guard tower at a state prison stands 105 feet tall. How far can a guard see from the top of the tower? Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet. Round to the nearest tenth of a mile.
A. 5600.3 mi B. 17.7 mi C. 12.5 mi D. 917.9 mi