Use the Pythagorean theorem (a^2+b^2+x^2)
Answer: D=3(h-2)
Explanation —>
A standard piano has 88 keys on it
Answer:
answer is b
Step-by-step explanation:
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P=12/3
Explanation: P is the variable and to find how many we can buy with 12 dollars we divide 12 by 3 which is the price.
