Ken built a square fence around his yard. He planted 4 trees on each side of the fence. What is the least number of trees Ken planted?

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).

The equation line of cd is y=-2x-2. write an equation of a line parallels to line cd in slope-intercept form that contains point (4,5)

The girls used two different recipes for making apple pies. dinas pie baked for 2/3 hour. vals pie baked for 0.75 hour. whos pie had the longer bsking time?