Solve the problem.Find the measures of angle z.
A. 201°
B. 21°
C. 79°
D. 69°
Answer: D
Mathematics
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Find an equation of an ellipse satisfying the given conditions.Vertices: (-13, 0) and (13, 0); length of minor axis: 14
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Approximate using a calculator (set for radians). Round answers to two decimal places.
?
?
A. -0.65 B. -0.76 C. -0.99 D. 0.15 E. 0.35
Mathematics
Find ?y and f '(x) ?x for the given function.y = f(x) = 
, x = 4, and ?x = 0.6
A. -0.03261; -0.0375 B. 0.18478; -0.075 C. -0.03261; -0.15 D. 0.05435; -0.075
Mathematics
Factor.25x2 + 80xy + 64y2
A. (25x + y)(x + 64y) B. (5x + 8y)(5x - 8y) C. (5x - 8y)2 D. (5x + 8y)2
Mathematics