Answer:
ummm i think its B?
Step-by-step explanation:
To subtract fractions, we need a common denominator.

-

the common denominator will be (y-2)(y+3)



The answer above will be the simplified form.
Answer:
19.5
Step-by-step explanation:
60 - 40.5 = 19.5.
Let A = 0.0009, it is equivalent to A = 9^-4 = (9^-2)^2
so sqrt A =sqrt (9^-2)^2 = (9^-2)
<span>he real square roots of 0.0009 is 0.09</span>
Answer:
A
Step-by-step explanation: