Solve by elimination. -6x + 9y = 78 -2x + 7y = 50
A. (-5, 7)
B. (-4, 6)
C. No solution
D. (-4, 7)
Answer: B
Mathematics
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Evaluate the integral using the given substitution.
dx , u = 3x - 5
A. - 
(3x - 5)-4 + C
B. (3x - 5)-2 + C
C. - 3(3x - 5)-2 + C
D. - 
(3x - 5)-2 + C
Mathematics
Solve.Find the angle, 2x, in the wedge shown. Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. (-2
, -2)
B. (-2, 2
)
C. (-2
, 2)
D. (2, 2
)
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, 11) ? (11, ?) B. (-?, - 3) ? (- 3, 3) ? (3, ?) C. (-?, 3) ? (3, ?) D. (-?, - 11) ? (- 11, 11) ? (11, ?)
Mathematics