
You have two fractions with the same (common) denominator, so you
subtract the numerators and put that over the common denominator.
Answer:
Income tax
Step-by-step explanation:
Answer:
i'm pretty sure it's the second option
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
The coefficients of the expansion of (a + b)^2 are 1 2 1, which is the third row of Pascal's triangle.
For (a + b)^3 they are 1 3 3 1 which is in the 4th row, and so on
So those for the (a + b)^n are in the (n + 1)th row.
Answer:
There is a 30% decrese.
Step-by-step explanation: