Simplify the expression. Write the result using positive exponents only.
A. x13
B. 
C. x4
D. x20
Answer: C
Mathematics
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Find the first four terms of the binomial series for the given function.
-2
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 - 
x + 
x2 - 
x3
D. 1 - 
x + 
x2 - 
x3
Mathematics
The following figure has volume as indicated. Find the value of x.V = 32?
(a right circular cylinder)
A. 9 B. 64 C. 63 D. 8
Mathematics
Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.5x - 25y = 20y = 
x - 
A. One B. No solutions C. Infinitely many
Mathematics
Write as a percent.9
A. 0.09% B. 450% C. 900% D. 0.9%
Mathematics