Which of these statements correctly describes the function y = 9x – 7?

It is a linear function, and its graph is a straight line.

It is a linear function, but its graph is not a straight line.

It is not a linear function, but its graph is a straight line.

It is not a linear function, and its graph is not a straight line.

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?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.