Compute the difference. Express answer in simplest form.
- 
A. 
B. 
C. 
D. 
Answer: B
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A bad investment loses 5% of its value each year. The initial investment was $2,883. ? A: Find a formula that gives the value V, in dollars, of the investment after ?t years. ? B: What is the value of the investment after 7 years? ? C: When will the investment decline to half its original value? ? Round your answers to two decimal places if necessary. ?
What will be an ideal response?
Find the dot product v ? w.v = 7i - 2j, w = 8i + j
A. 58 B. 54 C. 0 D. -9
Tungsten Chemicals is considering changing its credit policy, so it conducted a net present value (NPV) analysis to compare the proposed credit policy with the existing credit policy. The results of the analysis shows that NPVProposed Policy- NPVExisting Policy = $20 per day. If Tungsten's required rate of return is 10 percent, what will be the change in the firm's value if the proposed credit policy is implemented? In you computations, use a 360-day year.
A. $200 B. $72,000 C. $25,920 D. $259,200 E. $7,200
The soap bubble I am blowing has a radius that is growing at a rate of 3 cm/s. How fast is the surface area growing when the radius is 10 cm? (The surface area of a sphere of radius r is 
.)
?
A. 
B. 
C. 
D. 
E. 