Sketch the ellipse for the equation.
+ 
= 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the Pythagorean Theorem to find the missing length in the right triangle. Express the answer in radical form and simplify, if possible.
A. 18 km B. 13 km C. 24 km D. 25 km
Mathematics
Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 4i, w = -3i
A. parallel B. orthogonal C. neither
Mathematics
Solve and graph the inequality. Give answer in interval notation.
? 
+ 
A. (3, ?)
B. (-?, 3)
C. [3, ?)
D. (-?, 3]
Mathematics
Find the solution set of the system.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics