Type the correct answer in each box. if necessary, use / for the fraction bar(s). given: ab. cd if the coordinates of point a are (8 , 0) and the coordinates of point b are (3 , 7), the y-intercept of ab is . if the coordinates of point d are (5 , 5), the equation of line cd is y = x + .

Me find the missing dimension of a triangle height: 7 in., area: 21^2

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).

Hi my sisters and brothers can tell me the answer because i don’t understand the question