Aplayground is being designed where children can interact with their friends in certain combinations. if there is 1 child, there can be 0 interactions. if there are 2 children, there can be only 1 interaction. if there are 3 children, there can be 4 interactions. if there are 4 children, there can be 9 interactions. how many interactions will there be for 8 children? a. 49 b. 64 c. 36 d. 40

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase