Asquare concert stage in the center of a fairground has an area of 4x^2 + 12x +9 ft^2. the dimensions of the stage have the form cx+d where c and d are whole numbers. find and expression for the perimeter of the stage. what is the perimeter when x = 2 ft?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

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?

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?