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A = C = 180 - B = 80 So A + C = 160
b^3 - 25b^2 - 4b + 100 = 0 b = 25 or b = -2
that would be a solid B
40/50 reduces to 4/5 which would be 80 percent thus making it a B
The area is A and the parameter is P.Two sides of the garden must be length a and the other two sides must be length b.ab = A = 1402a + 2b = P = 48ab = 140 and2a = 48 - 2bdividing bother sides by 2:a = 24 - bPlugging in this formula for a in terms of b into the equation for area we can conclude that:(24 - b)b = 14024b - b2 = 1400 = b2 - 24b + 140This can be factored as such:0 = (b - 14)(b - 10)therefore b = 10, 14.Logically, b can only be either 10 or 14, and amust be the other value.