Multiply the binomials using FOIL.(4x - 5)(x - 4)
A. 4x2 - 21x - 21
B. 4x2 - 23x + 20
C. 4x2 + 20x - 21
D. 4x2 - 21x + 20
Answer: D
Mathematics
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Solve the system of equations by the substitution method.
A. {(-1, 9)} B. {(9, 1)} C. {(1, 9)} D. ?
Mathematics
Solve the problem.Ken and Kara are 27 miles apart on a calm lake paddling toward each other. Ken paddles at 5 miles per hour, while Kara paddles at 8 miles per hour. How long will it take them to meet?
A. 9 hours
B. 1
hours
C. 2
hours
D. 14 hours
Mathematics
Write the number as a fraction. Do not simplify.0.00118
A. 
B. 
C. 
D. 
Mathematics
Prove the identity.
= 
What will be an ideal response?
Mathematics