Multiply the expressions.(5x - 7y)2
A. 5x2 - 70xy + 49y2
B. 25x2 + 49y2
C. 5x2 + 49y2
D. 25x2 - 70xy + 49y2
Answer: D
Mathematics
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A. -5a5 B. 3a3 - 14a2 C. -31a3 - 14a2 D. -31a3 + 26a2
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Solve the problem.Pennies are packaged 50 in a roll. A mother gave her son 107 pennies for his bank and she had 43 pennies left over. How many rolls of pennies did she use?
A. 4 rolls B. 5 rolls C. 6 rolls D. 3 rolls
Mathematics
Find the sum.-3 + 8
A. -5 B. -11 C. 5 D. 11
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.12a2 - 147b2
A. 3(2a - 7b)2 B. 3(2a + 7b)2 C. 3(2a + 7b)(2a - 7b) D. prime
Mathematics