Select all the equations where x = 3 is a solution. Select all that apply x^2 = 9
6 = 2^x
9 - x = 3
1 + x = 2
x - 3 = 0
1/5^x = 3
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What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

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