Find the special products using patterns.(3x - 9)(3x + 9)
A. 9x2 - 54x - 81
B. 9x2 + 54x - 81
C. 9x2 - 81
D. 3x2 + 54x - 81
Answer: C
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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}. Determine the following.(A ? B)'
A. {q, s, t, u, v, w, x, y} B. {s, u, w} C. {t, v, x} D. {r, t, u, v, w, x, z}
Graph the function over a one-period interval.y = - 
cos 4
+ 2
A. 
B. 
C. 
D. 
Solve the problem. Round to two decimal places if needed.Find the area of the sector of a circle of radius 11.5 feet formed by a central angle of 19.141°.
A. 44.18 square feet B. 22.09 square feet C. 25.09 square feet D. 47.18 square feet
Write a quadratic equation having the given solutions.
, 
A. 8x2 + 10x + 3 = 0 B. 8x2 - 10x + 3 = 0 C. 8x2 - 3x + 10 = 0 D. 8x2 + 3x + 10 = 0