If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.49x2 - 1

A. (7x - 1)2
B. (7x + 1)(7x - 1)
C. (7x + 1)2
D. Prime


Answer: B

Mathematics

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Use the pH scale to answer the question.What is the hydrogen ion concentration of a solution with pH 2.5?

A. 3.2 x 10-3 B. 3.2 x 10-2 C. 3.2 x 10-5 D. 3.2 x 10-4

Mathematics

Integrate the function f over the given region.f(x, y) =  +  over the trapezoidal region bounded by the x-axis, y-axis, line  and line 

A.
B.
C.
D.

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics

Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 8x - 3 = 0

A. {-4 - 2, -4 + 2}
B. {-1 - , -1 + }
C. {-4 - , -4 + }
D. {4 + }

Mathematics