Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.4x2 - 20x + 25 - y2
A. (2x + 5 + y)(2x + 5 - y)
B. (2x - 5 + y)(2x + 5 - y)
C. (2x - 5 + y)(2x - 5 - y)
D. irreducible
Answer: C
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 3
A. -1.00 B. 0.99 C. 1.00 D. -0.99
Find the volume.
A. 175 ft3 B. 80 ft3 C. 196 ft3 D. 140 ft3
Provide an appropriate response.A rectangular solid and a circular cylinder have the same volume and the same height. The base of the rectangular solid is a square. Which (if any) of the following statements are true?(i) The rectangular solid and the cylinder have the same base area.(ii) The rectangular solid has a greater base area than the cylinder.(iii) The side length of the square base of the rectangular solid is equal to the diameter of the cylinder.(iv) The side length of the square base of the rectangular solid is less than the diameter of the cylinder.
A. (i) and (iii) B. (i) and (iv) C. (ii) D. (ii) and (iii)
Solve by the substitution method.x + y = 7x + y = -1
A. (0, 0) B. (0, 6) C. (7, -1) D. No solution