Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero. 
A. 
B. 
C. - 
D. - 
Answer: B
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Find the polar coordinates of the point(s) of intersection of the given curves for 
r = 1 - cos 
, r = 1 + sin 
A. 
B. 
C. 
D. 
Is the first number divisible by the second number? Answer yes or no.135,875; 5
A. Yes B. No
Write an expression to state the problem and simplify.A stack of currency contains 50 bills. In the stack are x $20 bills. The rest are $50 bills. How much money is in the stack of bills?
A. 20x - 50(50 - x); 70x - 2500 dollars B. 20x + 50(50 - x); 30x + 2500 dollars C. 20x + 50(50 - x); -30x + 2500 dollars D. Cannot be solved
Determine whether the function has an inverse function. If it does, find the inverse function. ? g(x) = x7 ?
A. 
B. g-1(x) = -7x
C. ?
D. g-1(x) = 7x
E. The inverse exists, but none of the above