X2 - 16, is the answer. The first one.
x^2 - 16 = (x)^2 - 4^2, difference of two squares :)
2 ones are equal to 0 tens
Answer:
The answers are given in the attachment.
Answer:
7kg
Step-by-step explanation:
im not sure if my answer is correct
Answer:
Hey!
Step-by-step explanation:
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