Given parallelogram ABCD, answer the following:
Find m< ADC.
(a) 90° (b) 123° (c) 57° (d) 61°
(c) 57°
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Simplify. Assume that all variables are nonzero.
A. 23
B. -23
C. Undefined
D. 
Find the domain of the function.g(x) = 
A. (-?, 2) ? (2, ?) B. (-?, -2) ? (-2, ?) C. (-?, ?) D. (-?, 5) ? (5, ?)
Solve.A young married couple had a combined annual income of $64,000. If the wife made $6000 more than the husband, write these relationships as a system of equations. Let x represent the husband's income and let y represent the wife's income.
A. x + y = 64,000 y = 6000 B. x - y = 64,000 y = x + 6000 C. x + y = 64,000 y = x + 6000 D. x + y = 6000 y = x + 64,000
Solve the inequality algebraically. Express the solution in interval notation.
? 0
A. [-6, 0) ? (0, 6] B. (-?, -6] ? [6, ?) C. [-6, 0) ? [6, ?) D. (-?, -6] ? (0, 6]