12. You have 13 bills in your wallet in $1, $5, and $10 bills. There are twice as many $1 bills of $10 bills is one more than the number of $5 bills. How many of each bill do you have?
a. Set up a system of equations to represent this situation.

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

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?