Read the following vernier protractor.
A. 69°15'
B. 72°15'
C. 63°15'
D. 71°15'
Answer: D
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±6, 0) and foci at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the inequality, then graph the solution.2x ? x + 4 < 3x - 1 
A. 2.5 < x ? 4 
B. 1 < x ? 4 
C. x < 1 or x ? 4 
D. x < 2.5 or x ? 4 
Mathematics
Multiply: (1+j)(3-4j)
What will be an ideal response?
Mathematics
Find the indicated trigonometric function of ?.
tan ?
A. 
B. 
C. 1
D. 
Mathematics