- I need help quick with this math question pleaaaase i need the answwer?

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Perimeter of isoscenes triangle whose sides are 31.25 in, 34.75 in, and 34.75 in. What's the perimeter of the triangle is - in?? What is the percentage rate for a sale item with this discount? $7.50 off any $75 purchase? Find the perimeter of parallelogram is found by +×÷*??? The length of all the sides of the figure.... do I add, multiple, subtract or divide? How many hours is a full time job?
also, difference between a full and part time job? Integral(x ln x^3 dx) Is that:
1) x ln (x^3) dx or
2) x (ln x)^3 if I re-write as 3xln(x) (3x^2/2)ln(x) -(3x^2/4)+C
Does this seem right?