5. Malia is planting a garden in her yard. The dimensions are represented by x+4 feet and x+8 feet. She needs fencing to go around the perimeter of the garden to keep animals out. a. Write a polynomial that represents the amount of fencing she will need in feet.

b. She has 72 feet of fencing in the shed. If x=13 feet, does she have enough fencing on hand for the garden? Explain your reasoning.

i need help in this one i don’t understand .

i need on these three questions. find standard form equation of line perpendicular to y = (2/3)x - 8 that goes through the point

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no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.