Find the sum or difference. Write the answer in standard form, a + bi.(8 + 3i) - [(8 + 8i) + (3 - 3i)]
A. 19 - 2i
B. -3 - 2i
C. -3 + 8i
D. 19 + 8i
Answer: B
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Solve the problem.The position of a particle moving along a coordinate line is s = 
, with s in meters and t in seconds. Find the particle's velocity at 
A. 3 m/sec
B. 
m/sec
C. - 
m/sec
D. 
m/sec
Determine which, if any, of the three statements are equivalent.I) Gasoline costs $1.99 per gallon if and only if you live in Cook County.II) You do not live in Cook County and gasoline does not cost $1.99 per gallon.III) If you do not live in Cook County then gasoline does not cost $1.99 per gallon and if gasoline does not cost $1.99 per gallon then you do not live in Cook County.
A. I and II are equivalent B. I and III are equivalent C. II and III are equivalent D. None are equivalent
Solve the problem.
Calculate the difference between the maximum and minimum temperature in February for North Town.
A. 16°F B. 15°F C. 24°F D. -15°F
Solve the problem. Write ratios in lowest terms.Bob is 56 years old, and Susan is 35 years old. Find the ratio of his age to hers.
A. 
B. 
C. 
D. 