Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 24
B. 5
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The following is a real estate commission on the selling price of a house. 6% for the first $100,000, and 3% for the amount which exceeds $100,000A realtor receives $11,370 for selling a house. What was the selling price?
A. $179,000 B. $279,000 C. $5370 D. $379,000
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(7 - 3i) + (1 + 6i)
A. -8 - 3i B. 8 - 3i C. -8 + 3i D. 8 + 3i
Mathematics
Simplify. Do not use negative exponents in your answer.(x8y-7z-2)(x-2y-4z6)
A. 
B. 
C. x6y11z4
D. 
Mathematics
Find the common ratio.1, -3, 9, -27, 81, . . .
A. 3
B. - 
C. -4
D. -3
Mathematics