Sketch the graph of this line

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

What is the perimeter of square abcd? units units 28 units 37 units

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes