Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 = 4x + 7
A. 
B. 
C. 
D. 
Answer: D
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A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer films in a school of 650 students?
A. About 117 students B. About 20 students C. About 78 students D. About 130 students
Evaluate the expression.
A. 330 B. 120 C. 1320 D. 30
Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 10
A. ab B. a - b C. ln a + ln b D. a + b
Identify whether the average described is a mean, median, or mode.A college receives 300 applications for financial aid. The applications are sorted into three equal groups according to income. Those with the highest incomes will not receive aid. Those with the lowest incomes will receive the most aid and those with average incomes will receive a small amount of aid.
A. Mode B. Median C. Mean