Question

A rectangular parcel of land is 20 ft longer than it is wide. Each diagonal between opposite corners is 100 ft. What are the dimensions of the parcel?

This is an Example in the book but it does not clarify in the text book, Can anybody please show me how to do this?

Answer 1

nevermind I got it

Answer 2

A total of $13,000 is invested in two accounts. One of the two accounts pays 7% per year, and the other account pays 13% per year. If the total interest paid in the first year is $1,390, how much was invested in each account?
account paying 7% $
account paying 13% $

Answer 3

Marcus bought y movie posters for $3 each. Write an algebraic expression for total amount Marcus spent