Multiply.(5m2 + 2m - 1)(m2 + 4m - 5)
A. 5m4 + 22m3 - 18m2 - 14m + 5
B. 5m4 + 20m3 + 22m2 - 14m + 5
C. 5m4 - 18m3 + 22m2 - 14m + 5
D. 5m4 + 20m3 - 18m2 - 14m + 5
Answer: A
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Evaluate the expression using the given values. -
x = -4, y = 7
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A box contains $7.85 in nickels, dimes, and quarters. There are 48 coins in all, and the sum of the numbers of nickels and dimes is two less than the number of quarters. How many coins of each kind are there?
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Find the indicated root, or state that the expression is not a real number.-
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