Use the quadratic formula to solve the equation. If the equation has no real number solution, so state.6x2 + 12x + 4 = 0
A. x = 
B. x = 
C. x = 
D. x = 
Answer: D
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Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 138 mph B. 148 mph C. 153 mph D. 173 mph
Write an equation to describe the variation. Use k for the constant of proportionality.q varies directly as r and inversely as the square of s.
A. q = 
B. q = 
C. q + r - s2 = k
D. qrs2 = k
To draw an ellipse that is 30 centimeters wide and 10 centimeters tall, how far apart should the two thumbtacks be? ? Please enter your answer as a number without the units, rounded to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Write the following in terms of cos ? only. ? sin ?
What will be an ideal response?