Find the exact value of the expression.sin (-165°)
A. 
B. 
C. 
D. 
Answer: C
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Use unit ratios to convert the units.
pounds to ounces
A. 84 oz B. 42 oz C. 336 oz D. 168 oz
Test the equation for symmetry with respect to the given axis, line, or pole.r = 3 + 3 cos ?;
the line ? = 
A. may or may not have symmetry with respect to the line ? = 
B. has symmetry with respect to the line ? = 
Provide an appropriate response.Maximize Z = 2x - 3y subject to2x + y ?1x - y ?1x, y ?0.Also find the corner point where the value of z is attained.
What will be an ideal response?
Solve the problem.
The graph of y = f(x) represents the amount of oil in millions of gallons remaining in a tank after x days. (i) Estimate the initial and final amounts of oil contained in the tank. (ii) When did the amount of oil in the tank remain constant?
A. 160 million gallons, 60 million gallons; 0 ? x ? 4 or 12 ? x ? 14 B. 160 million gallons, 20 million gallons; 0 ? x ? 6 or 8 ? x ? 14 C. 160 million gallons, 60 million gallons; 12 ? x ? 14 D. 140 million gallons, 40 million gallons; 8 ? x ? 16