Jamil ate 1/5 of a pie and Rashan ate 2/5 of a pie. Together, how much pie did they eat?

A. 3/10

B. 3/5

C. 5/3

D. 3

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).

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)