If a+b=-2 and x+y= -2 what is 4x+5a+4y+5b?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

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?