Trace ?ABC, Using only a compass and straightedge, divide?ABC into three triangles with the same area.
(One possible outline) Construct two perpendicular lines, copy length a on both lines, swing an arc of length a from each end point to form the fourth vertex of the square.
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Solve.A window is in the shape of a square topped by a semicircle. The side of the square is x cm and the window cannot be wider than 160 cm. Find the function for the area of the window and the domain of the function.
A. A = x2 + 
?x2 : 0 < x ? 160
B. A = x2 + 
?
2 : 0 < x ? 1602 + 
?
2
C. A = 4x2 + 
?x2 : 0 < x ? 160
D. A = x2 + 
?
2 : 0 < x ? 160
Find f-1(x) for the following one-to-one function f.f = {(-7, 3), (-1, 1), (6, 2), (8, 4)}
A. f-1 = {(-3, 7), (-1, -1), (2, -6), (4, -8)} B. f-1 = {(3, -7), (1, -1), (2, 6), (4, 8)} C. f-1 = {(-3, 7), (-1, 1), (-2, -6), (-4, -8)} D. f-1 = {(7, -3), (1, -1), (-6, -2), (-8, -4)}
Find the sum of the infinite geometric series.  figure 1.png)
What will be an ideal response?
Use the Gauss-Jordan method to solve the system of equations.x - y + z = -2x + y + z = -6x + y - z = 4
A. (1, -5, -2) B. (1, -2, -5) C. (-5, 1, -2) D. No solution