Solve the rational equation.
- 4 = 
A. {0}
B. {4}
C. {1}
D. {-1}
Answer: D
Mathematics
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Find the indicated trigonometric function of ?.
tan ?
A. 
B. 
C. 1
D. 
Mathematics
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 174.8° B. 95.2° C. 5.2° D. 84.8°
Mathematics
Find the product. Use the FOIL method.(3 + x)(4x - 9)
A. 4x2 + 3x - 27 B. 4x2 + 2x - 27 C. 4x2 - 27x + 3 D. x2 + 3x + 3
Mathematics
Provide an appropriate response.The equation y = x2 is satisfied by the points (2, 4) and (-2, 4). A horizontal line may be drawn between these two points. Is 
a function? Why or why not?
What will be an ideal response?
Mathematics