Determine whether the number is prime, composite, or neither.15
A. Composite
B. Neither
C. Prime
Answer: A
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Factor the difference of two squares.(16x4 - 81)
A. (4x2 + 9)(4x2 - 9) B. (4x2 + 9)(2x + 3)(2x - 3) C. (2x + 3)2(2x - 3)2 D. (4x2 + 9)(4x2 + 9)
Find the product.(x + 4y)(2x - 3y)
A. 2x2 + 5xy + 5y2 B. x2 + 5xy - 12y2 C. x2 + 5xy + 5y2 D. 2x2 + 5xy - 12y2
Write as the sum and/or difference of logarithms. Express powers as factors.log6
A. log6(x - 1) -log6x B. 4log6x -log6(x - 1) C. log6(x - 1) - 4log6x D. log6(x - 1) + 4log6x
Solve the problem.Annica owes $489.81 on her charge card. She returns for credit items costing $35.15 and $17.77. She makes a purchase for $12.29 and additional purchases of $48.97, $163.81, and $177.05. She then makes a payment of $422.30. Find the amount she now owes.
A. $562.91 B. $457.07 C. $522.55 D. $416.71