Factor completely.56x8y9 - 80x2y7 + 64x5y4
A. 8x2y4(7x6y5 - 10y3 + 8x3)
B. 8x2(7x6y9 - 10y7 + 8x3y4)
C. x2y4(56x6y5 - 80y3 + 64x3)
D. 8(7x8y9 - 10x2y7 + 8x5y4)
Answer: A
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Find the standard-form equation for a hyperbola which satisfies the given conditions.A hyperbola centered at the origin having focus (
, 0) and corresponding directrix 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve and check.12n2 + 33n = 0
A. - 
, 0
B. 0
C. - 
D. - 
, 33
Solve the problem.A nurse administers two types of liquid antibiotics to a group of patients throughout the day. The nurse administers 22 teaspoons of one antibiotic and 31 teaspoons of the other. What is the total amount of liquid antibiotics administered in terms of tablespoons and teaspoons?
A. 17 teaspoons 2 tablespoons B. 17 tablespoons 1 teaspoon C. 17 tablespoons 2 teaspoons D. 26 tablespoons 2 teaspoons
Evaluate the expression.
-2/3
A. 
B. - 
C. 
D. 