Mrs. Roberts organized her class into four equal-sized teams. Boys make up of each
of the teams. If there are 2 girls on each team.
how many students are there in the whole
class?

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 graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c