Perform the indicated operations and write the result in standard form.(-9 - 
)2
A. 81 + 25i
B. 106 - 90i
C. 81 - 25i
D. 56 + 90i
Answer: D
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Measurements are made at two different times. Find the absolute change and then find the percentage change. Round answers to the nearest tenth if necessary.In the last election, in a certain city the percentage of eligible voters who voted in the local election was 62.5%. This year, the percentage fell to 52.8%.
A. Absolute change: 9.7 percentage points Percentage change: -15.5% B. Absolute change: -9.7 percentage points Percentage change: -18.4% C. Absolute change: 9.7 percentage points Percentage change: 18.4% D. Absolute change: -9.7 percentage points Percentage change: -15.5%
Find the real solutions, if any, of the equation. Use the quadratic formula.16x2 - 64x + 64 = 0
A. 
B. 
C. 
D. no real solution
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
Convert. Round to the nearest tenth unless otherwise indicated.The fence was 4.8 feet high. Convert this length to centimeters.
A. 189.0 cm B. 12.2 cm C. 121.9 cm D. 146.3 cm