Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 15x
A. - 
B. 
C. 225
D. 
Answer: D
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Determine the population and the sample.A graduate student at a university wants to find out the opinions of undergraduate students about campus dining choices. He has access to a list of 2500 undergraduate student email addresses and emails a survey to 500 of these undergrads selected at random.
A. Population: undergraduate students at the university; Sample: 2500 undergraduate students from an email list B. Population: undergraduate students at the university; Sample: 500 undergraduate students from an email list C. Population: 2500 email addresses; Sample: 500 undergraduate students from an email list D. Population: 500 undergraduate students from an email list; Sample: 2500 email addresses
Fill in the blank.
angle has a measure of 90°.
A. A right B. An obtuse C. A straight D. An acute
Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.The Oak House had a markup of $22.83 on an oak table that they sold for $89.99. Find the cost and the percent of markup.
A. $89.99, 25.4% B. $67.16, 25.4% C. $67.16, 34.0% D. $112.82, 20.2%
Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 8
C. 33
D. 