Multiply.(-6x + 7)(6x + 7)

A. 36x2 - 49
B. -36x2 + 49
C. -36x2 - 49
D. 36x2 - 84x + 49


Answer: B

Mathematics

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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.   (B' ? C)' ? A

A. {q, r, s, t, u, w, y, z} B. {q, s, u, y} C. {q, s, u, v, w, x, y} D. {q, r, s, t, u, v, w, x, y}

Mathematics

Provide an appropriate response.Suppose an annuity due consists of 6 yearly payments of $200 and the interest rate is 5% compounded annually. Determine (a) the present value and (b) the future value at the end of 6 years.

What will be an ideal response?

Mathematics

Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x7 - 9x4 + 4) - (9x4 + 2x7 + 20)

A. 5x7 - 18x4 - 16 B. 5x7 - 18x4 + 24 C. -29x11 D. 5x7 - 7x4 + 24

Mathematics

Rewrite the equation in standard form. Find the center or vertex. Identify the conic and sketch the curve.y2 - 18y - x + 83 = 0

A. parabola; vertex (2, 9);
x = (y - 9)2 + 2

B. parabola; vertex (2, 9);
x = (y - 9)2 + 2

C. parabola; vertex (9, 2);
x = (y - 9)2 + 2

D. parabola; vertex (9, 2);
x = (y - 2)2 + 9

Mathematics