Factor the polynomial using the negative of the greatest common factor.-35a2b3 + 21ab
A. -7a(5ab3 - 3b)
B. 7ab(-5ab2 + 3)
C. -7ab(5ab2 + 3)
D. -7ab(5ab2 - 3)
Answer: D
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Add or subtract. Express the answer as a mixed number.
A. 6
B. 4
C. 5
D. 5
A cloth fragment is found in an ancient tomb. It contains 63% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially. How old is the cloth? ? Round your answer to the nearest hundred years. ? __________ yr
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Solve the following system of equations by first solving Equation (1) for x and then substituting for x in Equation (2). Then solve the system again by first solving Equation (1) for 2y and substituting for 2y in Equation (2). Which procedure do you prefer? Explain why you answered as you did.?x + 2y = 6(1)3x + 2y = 4(2)
What will be an ideal response?