you dont use the distributive property
(8x-1)(7x-1)
then you foil it and combine like terms
Answer:
$95.5090 must be deposited monthly
Step-by-step explanation:
From the information given:
The annual interest rate (r) = 4.2% = 0.042
Let assume that an amount Y is deposited, then after one month, it will increase to:

The total amount after 4 years will be:


Using the sum of a geometric progression:


The above amount is then equal to $5000
i.e


Answer:
The probability of both dice having the same number is 636, as there are 36 different outcomes, 6 of which have two of the same number, i.e. (1,1),(2,2),....
The expected number of rolls of this type in 100 pairs of dice rolls is 100∗636