You can make an cb chart. so to equal -6 you need the numbers -7, 1. so now the equation is ( x - 7 )( x + 1 ). if you want to solve it set it equal to 0 and solve.
There's no diagram here so I can't be specific, but I've attached an image.
Area of the trapezium = 1/2(18 + 6) x 12
Area of the trapezium = 144 in²
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Answer: Area = 144 in²
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Answer:it is 18*20 effective every year
Step-by-step explanation:
