Provide an appropriate response.
Multiply and simplify, putting answer in complex form: 3i(2 - 4i)
A. 6 - 12i
B. 12 + 6i
C. -12 + 6i
D. 6 + 12i
Answer: B
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Translate the situation into mathematical language. You need not actually solve the problem.The Music Store prices its blank audiotapes by raising the wholesale price 30% and adding 30 cents. What must the tape's wholesale price be if the tape is to sell for $2.19?
A. Let w represent the tape's wholesale price; 0.30 = w + 0.30w - 2.19 B. Let w represent the tape's wholesale price; 2.19 = w + 0.30w + 0.30 C. Let w represent the tape's wholesale price; 2.19 = w + 0.30w - 0.30 D. Let w represent the tape's wholesale price; 2.19 = 0.30w + 0.30
Write the number as a fraction. Do not simplify.0.648
A. 
B. 
C. 
D. 
Solve the problem.Suppose you pay $2.00 to roll a fair die with the understanding that you will get back $6.00 for rolling a 6 or a 2, nothing otherwise. What are your expected winnings?
A. $6.00 B. $2.00 C. $0.00 D. -$2.00
Conduct a survey to determine whether there is a significant correlation between math scores in the 8th grade and amount of listening to the radio. ?
A. 1. Do you entrust to your president?2. Did you vote for him (her)?? B. 1. Where do you usually buy food?2. How often do you visit big supermarkets?? C. 1. Do you have a pet?2. What is it?? D. 1. Do you use the internet?2. Where do you usually use the Internet?? E. 1. What was your math score in the 8th grade?2. How much time do you spend listening to the radio??