Divide and express the result in standard form.
A. -1
B. -i
C. 1
D. i
Answer: D
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Lured by the ad in the illustration below, a woman invested $9,600, some in a money market account and the rest in a 5-year CD. How much was invested in each account if the income from both investments is $848 per year? First Republic Savings and Loan AccountRateNOW5.5%Savings7.5%Money market8.0%Checking4.0%5-year CD9.0%
A. $2,200 in the money market account, $7,400 in the CD B. $1,400 in the money market account, $8,200 in the CD C. $1,100 in the money market account, $8,500 in the CD D. $1,900 in the money market account, $7,700 in the CD E. $1,600 in the money market account, $8,000 in the CD
Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.12
A. real, complex B. complex, pure imaginary C. pure imaginary D. complex, nonreal complex
Find a general term for the geometric sequence.
, 
, . . .
A. an = 
n-1
B. an = 
1-n
C. an = 
D. an = 
n-1
Find the probability.Each person in a group of students was identified by his or her hair color and then asked whether he or she preferred taking classes in the morning, afternoon, or evening. The results are shown in the table below. Find the probability that a student preferred morning classes given that he or she has blonde hair.Hair ColorClass Time PreferenceBlondeBrunetteReheadMorning452510Afternoon401550Evening352030
Fill in the blank(s) with the appropriate word(s).