The dimensions of a rectangular block are 30 cm, 16 cm, and 12 cm. it is made from cubes which are each 1 cm3 in volume. if the outside of the block is painted red, what percent of the block is made up of cubes with exactly two sides painted? express your answer to the nearest tenth.

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?