Find the determinant.
A. -30.866
B. 25.686
C. 88.094
D. 87.59
Answer: D
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Write the number as the product of a real number and i.
A. 
B. i
C. i
D. -i
Provide an appropriate response.Suppose an initial investment grows from $330 to $600 over five years. First find the nominal rate compounded monthly and then find the equivalent effective rate.
Fill in the blank(s) with the appropriate word(s).
With an aging population, the demand for health care, as measured by outpatient visits, is steadily growing. The number of outpatient visits (in million) from 1991 through 2001 is recorded in the following table (
corresponds to 1991):
Year, x012345678910Number of Visits, y317347363379400424426449460471486?
Find an equation on the least-squares line for these data. Please round coefficients to the nearest hundredth if necessary.
?
A. 
B. ?
C. ?
D. ?
E. ?
Factor completely.8y2 + 96y + 280
A. 8(y - 5)(y - 7) B. (8y + 5)(y + 7) C. (y + 5)(8y + 56) D. 8(y + 5)(y + 7)