Answer:
36
Step-by-step explanation:
Given
m² - 2mn + n² , substitute values
= (- 2)² - 2(- 2)(4) + 4²
= 4 - 2(- 8) + 16
= 4 + 16 + 16
= 36
Answer:
13
Step-by-step explanation:
it should be a little less then 15 but it should be closs to 15
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Answer:
answer is 4.5
Step-by-step explanation:
i believe that's the length of HD.