Ezra rides his bike from home at point h(-1,2) to school at point s(2,2), to the comic book store at c(2,-2) and then back home again. if each unit represents one mile, what is the total distance erza rode?

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).

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?