Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Sally Clark is working as a waitress to pay her way through school. She waits on a businessman who, with his client, has a bill of $72.50. The businessman states that she is to add a 15% tip to the bill. How much tip will Sally receive?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Add or subtract as indicated. Write your answer in the form a + bi.(4 + 8i) - (-5 + i)
A. 9 + 7i B. -1 + 9i C. 9 - 7i D. -9 - 7i
Mathematics
Simplify the expression.10x2 + x + 4x2 + 2x
A. 14x2 + 3 B. 28x2 C. 14x2 + 3x D. 40x2 + 3x
Mathematics
Simplify and reduce to lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics