Find the exact value of the expression.cot-1 
A. 
B. 
C. 
D. 
Answer: C
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Factor the trinomial completely, or state that the trinomial is prime.-40x3 - 150x2 - 125x
A. -5(4x2 + 5)(2x + 5) B. x(-20x - 25)(2x + 5) C. -5x(4x + 5)(2x + 5) D. x(4x + 5)(-10x - 25)
Find the constant term to be added to the expression to form a perfect square trinomial.x2 - 18x
A. 0 B. 81 C. -81 D. None of the above
Find the actual difference.5.606 - (-0.13)
A. 0.729 B. 5.736 C. 5.476 D. 5.836
Solve the problem. Write ratios in simplest form.Find the unit price for each option. Which is the better buy? IceMan water: 24 bottles for $3.12 Big Mountain water: 20 bottles for $3.00.
A. IceMan: $3.12 per bottle; Big Mountain: $3.00 per bottle; the IceMan water B. IceMan: $0.13 per bottle; Big Mountain: $0.15 per bottle; the IceMan water C. IceMan: $0.15 per bottle; Big Mountain: $0.13 per bottle; the Big Mountain water D. IceMan: $0.13 per bottle; Big Mountain: $0.10 per bottle; the Big Mountain water