Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. t8
C. t9
D. t
Answer: B
Mathematics
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by the substitution method.
A. (0, 0)
B. 
C. (2, 2)
D. 
Mathematics
Solve.
= 
A. 2 B. 5 C. 8 D. 4
Mathematics
Find the magnitude of the vector.
?
?
A. ?
B. ?
C. ?
D. 
E. ?
Mathematics