An engineer believes a cell phone tower is not exactly perpendicular to the ground. He drops a line from the top of the 70 ft tower and finds the line hits the ground 3.66 feet from the base of the cell phone tower. How many degrees is the angle formed by the tower and the ground?
What will be an ideal response?
87
Mathematics
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Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = -3, ? = 0.03
A. L = -4; ? = 0.03 B. L = 0; ? = 0.03 C. L = 2; ? = 0.04 D. L = -2; ? = 0.04
Mathematics
Simplify. Assume all variables represent nonnegative values.
A. (x - 3)
B. (x - 3)9
C. 
- 27
D. x - 3
Mathematics
Add.(-38) + 51
A. 89 B. -89 C. 13 D. -13
Mathematics
?Find the eigenvalues and corresponding eigenvectors for the matrix if the characteristic equation of the matrix is 
if the characteristic equation of the matrix is 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics