Solve the problem.Jim and Tammi climbed to the top of a 21,120-ft mountain. How many miles did they climb?
A. 4 mi
B. 8 mi
C. 4.5 mi
D. 5 mi
Answer: A
Mathematics
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Find an equation for the sphere with the given center and radius.Center (0, -10, -6), radius = 9
A. x2 + y2 + 9z2 + 20y - 12z = -55 B. x2 + y2 + 9z2 + 20y + 12z = -55 C. x2 + y2 + z2 + 20y + 12z = -55 D. x2 + y2 + z2 + 20y - 12z = -55
Mathematics
In 
, it is given that 
is a right angle. What word characterizes the relationshipbetween 
and 
?
What will be an ideal response?
Mathematics
Use Cramer's rule to solve the system. x + y + z + w = 7 3x - 2z + 5w = 11-4x + 3y + w = 4 -x - y - z - w = 6
A. 
B. 
C. 
D. Can't use Cramer's rule, D = 0
Mathematics
Identify the equation as a parabola, ellipse, or circle.9x2 + 16y2 = 144
A. Parabola B. Ellipse C. Circle D. None of the above
Mathematics