Answer:
Step-by-step explanation:
a² - b² = (a+ b)(a - b)
1) (2n-4/2n) ÷ (n^2-4/n)

2) [y^2-36/y^2-49] ÷[ y+6/y-7]

3) [m^2-1/ m^2-m] ÷ [m^2-7m-8/3m
]

Hint : m² - 7m - 8
sum = -7
Product = -8
Factor = (-8), 1
m² - 7m - 8 =m² - 8m + m - 8
= m*(m - 8) + (m-8)
= (m - 8)(m +1)
Answer:
There is one Zero.
Step-by-step explanation:
Hope this helps:)
Y = 12x where x is the # of students and y is the # of adults
Or for every 12 students there's 1 adult
Answer:
i got 21.42 (rounded to the nearest second decimal) if not my full answer was 21.42147412. sorry if its incorrect
Step-by-step explanation:
Answer:
5 millimeters
Step-by-step explanation:
the conversion rate from cm to mm is 1 to 10 so 0.5 would equal to 5 mil
it would be amazing if you marked this brainliest :)