Find the measure of the unknown angles. Figures are not drawn to scale.
Find the measure of ?x.
A. 139°
B. 49°
C. 149°
D. 131°
Answer: A
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Find the median of the following set of test score data: 55, 57, 60, 62, 65, 68, 71, 75, 77, 80, 81, 84, 87, 90, 92, 95, 98, 100.
a. 45.3 b. 77.6 c. 78.5 d. 81.3
Use synthetic division to divide f(x) by x - k for the given value of k. Then express f(x) in the form 
for the given value of k.f(x) = 3x4 - 2x3 - 10x2 + 15; k = 2
A. f(x) = (x -2)(3x3 - 4x2 - 2x - 4) + 7 B. f(x) = (x -2)(3x3 + 4x2 - 2x - 4) + 7 C. f(x) = (x -2)(3x3 + 4x2 - 2x + 11) + 22 D. f(x) = (x -2)(3x3 + 4x2 + 2x + 4) + 22
Rewrite using the stated property.Multiplication property of 0; -5 ? 0
A. 1 B. -1 C. 0 D. 5
Find the vertex, focus, and directrix of the parabola. Graph the equation.x2 - 8x = 4y - 32
A. vertex: (4, 4)
focus: (4, 5)
directrix: y = 3
B. vertex: (4, 4)
focus: (4, 3)
directrix: y = 5
C. vertex: (4, 4)
focus: (3, 4)
directrix: x = 5
D. vertex: (4, 4)
focus: (5, 4)
directrix: x = 3