Acompany that offers tubing trips down a river rents tubes for a person to use for $20 and “cooler” tubes to carry food and water for $12.50. a group spends $270 to rent a total of 15 tubes. how many of each type of tube does the group rent?

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

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?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?