Solve by completing the square.y2 = - 3y + 9
A. 
B. -3 ± 3
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 11 feet from the top and is to make an angle of 26° with the ground? Give your answer to the nearest tenth of a foot.
A. 248.6 feet B. 273.7 feet C. 133.5 feet D. 121.3 feet
Mathematics
Solve the equation.logx
= 4
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.47,000
A. 4.7 × 103 B. 4.7 × 10-3 C. 4.7 × 10-4 D. 4.7 × 104
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics