Write an algebraic expression for the specified quantity.Allison can clean the house in 8 hours working alone. Joel can do the job in 3 hours working alone. 
it takes Allison and Joel to clean the house working together. Write an algebraic expression in t for (i) the portion of the job completed by Allison in t hours; (ii) the portion of the job completed by Joel in t hours.
A. (i) Allison: 
+ t
(ii) Joel: 
+ t
B. (i) Allison: 
t
(ii) Joel: 
t
C. (i) Allison: 
t
(ii) Joel: 
t
D. (i) Allison: 
t
(ii) Joel: 
t
Answer: D
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Which of the following statements about cash management systems is correct?
A. A lockbox system generally is used to effectively manage a firm's collections through concentration banking arrangements. B. A firm that has many divisions that are widely dispersed geographically will find that centralizing customers' payments is of little benefit. C. Disbursement float refers to the frequency with which a firm writes checks to pay its creditors. D. There are few actions a firm can take to improve its synchronization of cash flows. E. Zero-balance accounts are used to help a firm to manage its cash receipts.
Factor completely. If the polynomial is prime, say so.12wx - 6wy - 2xz + yz
A. (6wz)(2x - y) B. (6w - z)(2x - y) C. (6w + z)(2x + y) D. (6 - z)(2wx - y)
Solve the problem.The number of new products containing a new carbohydrate supplement are shown in the table for various years.
Let n be the number of new products containing the carbohydrate supplement in the year that is t years since 2001.a. Create a scattergram of the data.b. Did the number of new products that contain the carbohydrate supplement increase, decrease, stay approximately constant, or none of these?c. Did the annual increase in the number of new products that contain the supplement increase, decrease, stay approximately
constant, or none of these? What will be an ideal response?
Solve the problem.Don James wants to invest $59,000 to earn $5,200 per year. He can invest in 
bonds paying 
per year or in a Certificate of Deposit (CD) paying 
per year. How much money should be invested in each to realize exactly $5,200 in interest per year?
A. $25,000 in B-rated bonds and $34,000 in a CD B. $33,000 in B-rated bonds and $26,000 in a CD C. $34,000 in B-rated bonds and $25,000 in a CD D. $26,000 in B-rated bonds and $33,000 in a CD