Multiply.0.025
A. 0.0002125
B. 0.02125
C. 0.002125
D. 2.125
Answer: B
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Solve the problem.A projectile is fired from a height of 9.7 feet with an initial velocity of 124 ft/sec at an angle of 54° with the horizontal. The parametric equations for the path of the projectile are x = (124 cos 54°)t, and y = 9.7 + (124 sin 54°)t - 16t2,where x and y are in feet and t is in seconds. How long does it take the projectile to hit the ground? Round your answer to the nearest tenth of a second.
A. 12.7 seconds B. 6.3 seconds C. 6.4 seconds D. 8.1 seconds
Solve the problem. Round to the nearest tenth when necessary.A comet follows the hyperbolic path described by 
where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 4.2 million mi B. 6.5 million mi C. 30 million mi D. 1.2 million mi
Write the sentence as a mathematical statement.Forty-four is less than or equal to forty-four.
A. 44 ? 44 B. 44 < 44 C. 44 = 44 D. 44 ? 44
Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find R if 
and 
A. 
+ 
i
B.
| 1 + i |
C.
1 +  i |
D.
 + i |