Simplify the expression, writing the answer as a single term without negative exponents.
A. 
B. 
C. 
D. 
Answer: A
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Use the discriminant to determine the number and type of solutions for the equation.25x2 - 10x + 1 = 0
A. Two complex-number solutions B. One real-number solution C. Two real-number solutions
Solve the problems.Approximately 23.3% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 2
C. 23
D. 
Solve. If necessary, round percents to the nearest tenth and all other answers to the nearest whole.Rami is taking May out to dinner. He has $43.20 to spend. He wants to tip the server 20% of the cost of the meal. How much can he spend on the meal?
A. $21.60 B. $36.00 C. $8.64 D. $34.56
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 39 R3 C. Incorrect; should be 38 R2 D. Incorrect; should be 39 R1