elton has three quarters in his pocket and some nickel. the total value of the coins is $1.05.which equation could be used to determine the total number of nickels (n) in his pocket?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

What is the sum of these mixed numbers 4 2/3+ 3 1/9