Perform the indicated operation.(x + 4y)(-4x + 5y)
A. -4x2 - 11xy - 11y2
B. -4x2 - 11xy + 20y2
C. x2 - 11xy - 11y2
D. x2 - 11xy + 20y2
Answer: B
Mathematics
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Solve the problem.Cheddar cheese comes in 2-pound bags, and mozzarella cheese comes in 5-pound bags. Using entire bags, you make a 47-pound mixture of cheese. How many bags of each type of cheese did you use? Find all the possible solutions to the problem.
What will be an ideal response?
Mathematics
Write the number in scientific notation.0.00000056305
A. 5.6305 x 10-6 B. 5.6305 x 10-7 C. 5.6305 x 106 D. 5.6305 x 107
Mathematics
Solve the linear equation.5(2z - 5) = 9(z + 4)
A. -11 B. 11 C. 16 D. 61
Mathematics
Find all zeros exactly (rational, irrational, and imaginary).
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Mathematics