Use dimensional analysis to convert the unit of length.8.9 miles to feet
A. 3916 ft
B. 46,992 ft
C. 15,664 ft
D. 1958 ft
Answer: B
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 6) and (0, -6); asymptotes y = 
x and y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the quotient.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form. x - y + 3z = -114x + z = -2 x + 3y + z = 13
A. (-2, 0, 5) B. No solution C. (-2, 5, 0) D. (0, 5, -2)
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 8
w = 3
Find 
.
A. 5
B. 
C. 5
D. 
Mathematics