First factor the second fraction's denominator.
It is a difference of squares so it can be factored as (y + 4)(y - 4)
Notice the first fraction's denominator is y + 4. So you already have that.
Therefore the LCD is (y + 4)(y - 4) :)
Answer:
First of all the rate of change is -2, so the answer would be y = x - 2
I'm pretty sure it's 4 ounces so it makes up 1/5 of 40% alcohol and 4/5 of 45% alcohol
(1) the answer for this question is 33 metre square
rectangle is 4*7 that is 28meter square +5 m^2
33m^2
(2) answer for this question is 19 yard square
area of square is 3*3 that is 9m^2+10m^2
19m^2
hope it helps you !!!!!!!