The voltage V of an audio system's speaker can be represented by V=4where P is where P is the power of the speaker. An engineer wants to design a speaker with 441 watts of power. What will the voltage be?

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?