The following table shows the results of a survey in which group of people were asked which was their favourite drink. One person is picked from the group at random. Calculate the probability that the person picked was a child.

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?