George washington gale ferris, jr., designed the original ferris wheel for the 1893 world’s columbian exposition in chicago, illinois. the wheel had 36 equally spaced cars each the size of a school bus. the distance between adjacent cars was approximately 22 feet. determine the diameter of the wheel to the nearest foot.

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?