Simplify the algebraic expression 7x^2 + 6x - 9x - 6x^2 + 15

The price of a coat increased from $78 to $92. what is the price increase percentage?

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?