Solve the system of linear equations by the method of elimination. Use the graph to check your solution.
?
?
??
A. ?(1, -1)?
B. ?(0, 1)?
?
C. ?(-1, 1)?
?
D. ?(1, 1)?
?
E. ?(-1, -1)?
?
Answer: A
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A committee consists of five members (A, B, C, D, and E). A and B have veto power; C, D, and E each have one vote. For a motion to pass it must have the support of both A and B plus at least one additional member.Which are the critical players in the coalition {A, B, D, E}?
A. D only B. A and B only C. A, B, D and E D. E only E. none of these
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a12 when a = -6, r = -3.
A. 1,062,882 B. 1,062,886 C. -39 D. -3,188,646
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 ×108m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars? Round to one decimal place.
A. 7.6 × 103 sec B. 76 sec C. 7.6 × 102 min D. 7.6 × 102 sec
Find the exact values of the remaining trigonometric functions of ? from the given information.cot ? = - 
, 
? ? < 2?
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 