Solve for x in terms of b and c: 2x - b = c

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?