Fill in the blank with one of the words or phrases listed below. 
To multiply -3(2x + 1), we use the 
property.
A. distributive
B. constant
C. addition
D. multiplication
Answer: A
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Find all the complex roots. Write the answer in the indicated form.The complex square roots of i (rectangular form)
A. -i, i
B. 
+ 
i, - 
- 
i
C. -1, 1
D. 
- 
i, - 
+ 
i
State whether you believe the two variables are correlated. If you believe they are correlated, state whether the correlation is positive or negative. Rate of pedaling a bicycle and speed of the bicycle
A. Positive correlation B. Negative correlation C. Not correlated
Simplify the radical expression. Assume that variables represent positive numbers.
A. 
B. 
C. 
D. 
Solve the problem.Suppose that certain bacteria can double their size and divide every 30 minutes. Write a recursive sequence that describes this growth where each value of n represents a 30-minute interval. Let a1 = 409 represent the initial number of bacteria present.
A. an = 2 a1 for all values of n.
B. a1 = 409; an = 2 an+1 for n > 1.
C. a1 = 409; an = 
an-1 for n > 1.
D. a1 = 409; an = 2 an-1 for n > 1.