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Answer:
i dont no but what i got was 10x+144d^3 but do u want to sovle for x i got u X
Step-by-step explanation:
Answer:

Step-by-step explanation:
If that is a square, then all sides are the same. Therefore, it's a
by
shape. We'll use Pythagorean Theorem to find the diagonal.

Since it's not a fraction, there is no denominator to rationalize. Let me know if you have any other questions!
1/4 off means 0.25 * 28
7
Sale price = 28-7
= 21