Solve the equation for ? if 
.
?
?
A. 60°, 300°
B. 0°, 300°
C. 60°, 120°
D. 90°, 150°
E. 180°, 240°
Answer: B
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = - 
i + 
j ; C is the region defined by the polar coordinate inequalities 
and 
A. 30 B. 0 C. 15 D. 17
Decide whether or not the ordered pair is a solution of the equation.20x - 12y = -84; (-3,2)
A. Yes B. No
Mrs. Kalbrisa budgets $125 a month for entertainment. She has allocated $10 for the movies and $25 for dining out. She constructs the following budget line graph to represent the situation, where x is the number of movies and y is the number of times she dines out in a month. What combination does NOT fall within her budgeted amount for entertainment?
A. (5, 3) B. (3, 3) C. (1, 4) D. (7, 5)
Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.x - y + 2z + w = 4y + z = 5z - w = 1
A. {(6 - 4w, 4 - w, 1 + w, w)} B. {(6, 4, 1, w)} C. ? D. {(2, 3, 2, 1)}