Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 9x
A. 
; 
2
B. 
; 
2
C. 0; 
2
D. 0; 
2
Answer: B
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Solve the problem.Find the slope of the tangent to the curve of the intersection of the surface 2z = 
and the plane x = 1 at the point 
A. 
B. 
C. 
D. 
Identify the specified numbers.The integers in the following list:25, 
, -20, 0, 
, - 
, 1.8, 
A. 25, -20, 0, 
B. 25, 0
C. 25, 0, 
D. 25, -20, 0
Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.Hard workers sweat. Sweat brings on a chill. Anyone who doesn't have a cold never felt a chill. Anyone who works doesn't have a cold.
A. Hard workers don't go to work. B. Anyone who has a cold works hard. C. Anyone who sweats works hard. D. Hard workers don't get colds.
Solve the problem.At a local zoo, adult visitors must pay $3 and children pay $1. On one day, the zoo collected a total of $730. If the zoo had 390 visitors that day, how many adults and how many children attended?
A. 170 adults and 220 children B. 182 adults and 208 children C. 220 adults and 170 children D. 110 adults and 280 children