Provide an appropriate response.Perform the indicated operation, rationalize denominator, and simplify if possible: 
Fill in the blank(s) with the appropriate word(s).
Answer: 2
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Perform the indicated operations. Write the resulting polynomial in standard form.(6x4 + 8x3 - 5x2 + 5) - (2x4 + 3x3 - 7x2 - 6)
A. 8x4 + 11x3 - 12x2 - 1 B. 4x4 + 5x3 + 2x2 + 11 C. 8x4 + 11x3 - 12x2 + 11 D. 4x4 + 11x3 - 12x2 - 1
Find the indicated matrix.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
Write the expression in standard form.
- 
A. 
- 11i
B. 
i - 11
C. i(
+ 11)
D. i(
- 11)
Solve.A county commission is made up of 15 members. Each member represents a district. The county's total population is 390,000. Joe is a county commissioner and his district has 19,500 people in it. Compare his district size to the average (mean) district size for the county.
A. Joe's district is smaller than the county average of 26,000. B. Joe's district is smaller than the county average of 27,300. C. Joe's district is exactly the same size as the county average. D. Joe's district is larger than the county average of 2600.