Solve the quadratic equation.(8x + 11)(8x + 15) = 0
A. x = - 
or x = - 
B. x = 
or x = 
C. x = 3 or x = 7
D. x = - 
or x = - 
Answer: D
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Simplify by taking the roots of the numerator and the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(7 - 5i) + (8 + 2i)
A. 15 - 3i B. -1 + 7i C. 15 + 3i D. -15 + 3i
Solve the problem.A traffic engineer is counting the number of vehicles by type that turn into a residential area. The table below shows the results of the counts during a four-hour period. What is the probability that the next vehicle passing is an SUV? 
A. 20.19% B. 33.44% C. 32.41% D. 31.94%
Add or subtract as indicated and write the result in standard form.(9 + 5i) - (-8 + i)
A. 17 + 4i B. 1 + 6i C. 17 - 4i D. -17 - 4i