Found in air. Used to treat breathing problems A compound is a substance that contains atoms of two or more different elements, chemically joined together. For example, water is a compound of ...

9 × 2۰5 = 22۰5 The area of the rectangle is 22۰5 m². To find the area of a compound shape using addition: Split the compound shape into rectangles that make the shape. For each separate ...

Compound interest may be the same percentage ... point in the percentage figure two places to the left—for example, 5% can be changed to .05. Then, multiply that number by how long you'll ...