Yesterday, Deon had 99 baseball cards. Today, he gave d away. Using d, write an expression for the number of cards Deon has left.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Find the missing factor. write your answer inexponential form.9^2=9^4×