Solve.Find the perimeter of the trapezoid.
A. 
in.
B. x + 4 in.
C. 
in.
D. 
in.
Answer: C
Mathematics
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Graph the system of linear inequalities.y ? xy ? - 
+ 1
A. 
B. 
C. 
D. 
Mathematics
Write the inequality in set-builder notation, interval notation, and then graph the solution set.x ? -4
A. {x |x > -4} ; (-4, ? ); 
B. {x |x < -4} ; (-?, -4); 
C. {x |x ? -4} ; (-?, -4]; 
D. {x |x ? -4} ; [-4, ? ); 
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. 1 B. m C. 0 D. -m
Mathematics
Use a graphing calculator to determine which window best shows the shape of the graph and where it crosses the x- and y-axes.y = 
A. [-3, 3, 0, 20], Xscl = 1, Yscl = 5 B. [-10, 10, -10, 10], Xscl = 1, Yscl = 1
Mathematics