7. what is the interquartile range for the data set? 37, 4, 53, 79, 25,48, 78, 65, 5, 6, 42, 61. 8. what is the standard deviation for the data set? 112, 149, 112, 148, 139, 121, 116, 134,148 express your answer as a decimal to the nearest tenth.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

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).

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?