9x – 9y=-18
- 2x + 9y=-10
Solve by elimination

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Three times the sum of a number and seven is negative thirty-six. what is the number?