Find the least common multiple (LCM) of the given expressions.60, 20, 70
A. 210
B. 60
C. 420
D. 140
Answer: C
Mathematics
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Solve the problem.Find the point on the sphere 
that is closest to the point 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Find and explain the mistake(s); then work the problem correctly.(2x3 - 3x2 + 5x - 1) - (10x3 - 7x2 - 2x + 4) = -8x3 - 4x2 + 3x + 3
What will be an ideal response?
Mathematics
Solve.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 10 ft and the vertical clearance must be 5 ft at a point 24 ft from the center. Find an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.
x - y = 1x = 5
A. ( 5, 
)
B. (5, 0)
C. (5, 1)
D. (0, 5)
Mathematics