Select the correct answer. What does the law of demand state?
A.
When price increases, the quantity demanded by consumers will remain unchanged.
B.
When price increases, the quantity demanded by consumers will decrease.
C.
When price decreases, the quantity demanded by consumers will decrease.
D.
When price decreases, the quantity produced by the producers will decrease.

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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).