Find a basis for the column space of the matrix.B = 
A. 
B. 
C. 
D. 
Answer: A
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Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?x.
A. 142° B. 48° C. 38° D. 128°
Find the center, foci, and vertices of the ellipse.9x2 + y2 - 162x + 720 = 0
A. 
+ (y - 9)2 = 1
center: (9, 0); foci: (9, 2
), (9, -2
); vertices:(9, 3), (9, -3)
B. (x - 9)2 + 
= 1
center: (9, 0); foci: (9, 2
), (9, -2
); vertices:(9, 3), (9, -3)
C. 
+ (y - 3)2 = 1
center: (3, 0); foci: (3, 4
), (3, -2
); vertices:(3, 9),
(3, -9)
D. (x - 3)2 + 
= 1
center: (3, 0); foci: (3, 4
), (3, -4
); vertices:(3, 9), (3, -9)
Find parametric equations for the rectangular equation.y = 3x + 2
A. x = 
, y = t + 
; 0 ? t < ?
B. x = t, y = 3t2 + 2; 0 ? t < ?
C. x = t, y = 3t + 2; 0 ? t < ?
D. y = 3t, 3x = t - 2; 0 ? t < ?
Find the sum.
+ 
A. 
B. 
C. 
D. 