Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
What will be an ideal response?
x = -1, y = -2, z = 4
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Provide an appropriate response.Use the fact that tan-1 x = 
for |x| < 1 to find the series for cot-1 x.
A. 
- 
B. 
C. 
D. 
- 
Write the ratio as a percent.
A. 52% B. 26% C. 260% D. 2.6%
The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find csc ?.
A. - 
B. 
C. 
D. - 
Solve the problem.A building 220 feet tall casts a 70 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 19° B. 71° C. 18° D. 72°