Find the least common denominator (LCD).
, 
A. 60xy3
B. 60x2y
C. 60x3y
D. 60xy2
Answer: B
Mathematics
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Solve the problem.The water from a valve at the bottom of a water tank follows a path described by 
where units are in meters. If the velocity vx is constant at 
find the magnitude and direction of the velocity at the point (3.0, 2.1).
A. 5.8 m/s, 329° B. 5.0 m/s, 31° C. 5.0 m/s, 353° D. 5.8 m/s, 31°
Mathematics
Graph the equation in the rectangular coordinate system.y = 2
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
a = 4
A. 6 B. 12 C. 1 D. 7
Mathematics
Solve.Jim can run 5 miles per hour on level ground on a still day. One windy day, he runs 11 miles with the wind, and in the same amount of time runs 7 miles against the wind. What is the rate of the wind?
A. 5 mph
B. 22
mph
C. 1
mph
D. 2 mph
Mathematics