Factor.a2 - (b + 6)2
A. (a - b + 6)(a - b - 6)
B. (a + b + 6)(a - b + 6)
C. (a + b + 6)(a - b - 6)
D. prime
Answer: C
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Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.144
A. -12, 12 B. 24 C. 20,736 D. 12
Solve the problem.The Little Town Arts Center charges $23 for adults, $16 for senior citizens, and $10 for children under 12 for their live performances on Sunday afternoon. This past Sunday, the paid revenue was 
for 838 tickets sold. There were 44 more children than adults. How many children attended?
A. 260 children B. 301 children C. 311 children D. 267 children
Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
A. x = 5.12, y = 3.67; x = -0.76, y = 2.05 or (5.12, 3.67), (-0.76, 2.05) B. x = -4.76, y = 1.52; x = -0.01, y = 5.00 or (-4.76, 1.52), (-0.01, 5.00) C. x = 5.12, y = -3.67; x = 0.76, y = 2.05 or (5.12, -3.67), (0.76, 2.05) D. x = 4.76, y = -1.52; x = 0.01, y = 5.00 or (4.76, -1.52), (0.01, 5.00)
Perform the indicated operation and express in lowest terms.
+ 
- 
A. 
B. 
C. - 
D. 