Step-by-step explanation:
4x2 - 25b2
We can solve it by the squares so
(2x - 5b) (2x + 5b)
2) x2 - 81
The same case is here so
(x - 9) (x + 9)
Answer:
Y= $240
Step-by-step explanation:
Since he had 60 dollar bills and the dollar coins were 4 times that amount, you just multiply 60 by 4.
I know a would be 40ft for Rachael and 50ft for Clare but I’m not completely sure about b
A or c is the correct answer
We will have the following:

So, the original quantity was approximately $183 293.75.