Solve the system of equations by graphing.2x - y = 3 y = 1 
A. (1, 2)
B. (2, 1)
C. (-2, -1)
D. no solution
Answer: B
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the line y = 
and on the right by the curves y = tan 2 x and y = cot 2 x. (Round to four decimal places.)
A.
| 0.5858 |
B. 0.4126
C. 0.3094
D. 4.3094
Mathematics
Solve the inequality and graph the solution set.
> 9
A. 
B. 
C. 
D. 
Mathematics
Multiply.7 ? (-3) ? 7
A. -147 B. 28 C. -28 D. 147
Mathematics
Find the common difference d and the nth term an of the arithmetic sequence with the specified terms. 5th term is -26; 12th term is -89
A. d = -9; an = -9n - 10 B. d = -1; an = -1n + 19 C. d = -1; an = -1n - 9 D. d = -9; an = -9n + 19
Mathematics