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Factorise a² - b² :
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Crossed out common factors, (x + a) :
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Answer:
8.5 or 8 1/2
Step-by-step explanation:
Answer:
y = 2.5
Step-by-step explanation:
Given
10y - 5 = 20 ( add 5 to both sides )
10y = 25 ( divide both sides by 10 )
y = 2.5
Answer:
are there any answer choices
Step-by-step explanation:
i believe its 18
sry if im wrong