Simplify the radical expression.

Write your answer in form A,
B or where A and B are constants or expressions in x. Use at most one radical in your answer, and at most one absolute value symbol if need.

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 solution set of the quadratic inequality x^2-5< or equal to 0

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team