Which is the best description of a two-way frequency table? 1.A table that contains information about independent events.
2.A table that gives information about how data are changing over time.
3.A table that represents all the relationships among two different categories of data.
4.A table that shows how data from one set are related to dependent events

For what value of (y) is 3^3/3^y =1/9

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?