Halon walks 1.93 kilometers to a neighbor's house in 23 minutes. Assuming he walks at a constant speed, write a proportion that represents how many kilometers, y, Halona can walk in x minutes

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).

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

What situation is an example of an observational study