Multiply mentally.(-a2 - 12)2
A. a4 + 144
B. a4 + 24a2 + 144
C. -a4 + 24a2 + 144
D. a4 - 24a2 + 144
Answer: B
Mathematics
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A. D: [0,?), R: (-?,?)
B. D: (-?,?), R: 
C. D: [0,?), R: 
D. D: (-?,0], R:(-?,0]
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Solve the problem.Joan can mow a 10-acre field in 5 hours. How long would it take her to mow a 3.8-acre field?
A. 1.9 hr B. 4.9 hr C. 3.9 hr D. 0.4 hr
Mathematics
Find the domain of the function. Put your answer in set-builder notation.f(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics
Determine whether the statement is true or false.-25 ? -16
A. False B. True
Mathematics