Solve the problem.Find an expression that represents the area of the figure.(Leave ? in the answer.)
A. 49?t16
B. 49?t8
C. 14?t8
D. 49?t4
Answer: B
Mathematics
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Solve the equation by making an appropriate substitution.x-2 - 10x-1 + 9 = 0
A. {1, 9}
B. {-1, -9}
C. 
D. 
Mathematics
Solve the problem.An arch has the shape of half an ellipse. The equation of the ellipse is 
where x and y are in meters. How high is the center of the arch? 
A. 30 m B. 36 m C. 18 m D. 15 m
Mathematics
Determine the coordinates of the point shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 3); quadrant I B. (-4, 3); quadrant II C. (-4, 6); quadrant II D. (-4, 6); quadrant I
Mathematics
Find the diameter of a circle if the radius has the value given.r = 38 cm
A. 19 cm B. 76 cm C. 4534.16 cm D. 119.32 cm
Mathematics