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
Answer: C
Mathematics
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Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. 
(e2x - e-2x) + C
B. 
(e2x + e-2x) + C
C. 
(e2x + e-2x) + 2x + C
D. 
(e2x - e-2x) + 2x + C
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.56m8 + 64m6 + 32m4
A. m4(56m4 + 64m2 + 32) B. 8(7m8 + 8m6 + 4m4) C. Prime D. 8m4(7m4 + 8m2 + 4)
Mathematics
Determine the degree measure of the given angle.
A. 30° B. 120° C. 60° D. 150°
Mathematics