Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Estimate by rounding.
A. 305 B. 310 C. 240 D. 265
Mathematics
Multiply.(
s - 5t)(
s - 2t)
A. 
s2 - 
st + 10t
B. 
s2 + 
st + 10t2
C. 
s2 - 
st - 10t2
D. 
s2 - 
st + 10t2
Mathematics
Write the first four terms of the sequence.an = 4(n + 2)!
A. 24, 96, 480, 2880 B. 8, 24, 96, 480 C. 8, 48, 288, 1920 D. 24, 192, 1440, 11,520
Mathematics
Assume that a survey of 275 people is taken to determine the opinions of doctors, teachers, and lawyers on a proposed piece of legislation, with the results as shown below. A person is chosen at random from those surveyed. Refer to the table to find the probability the person favors the legislation. Number that favorNumber that opposeNumber with no opinionTotalDoctors713418123Teachers762310109Lawyers2014943Total1677137275
A. 
B. 
C. 
D. 
E. 
Mathematics