There are 30 students in ms. mcclendon's science class. of the students: 1/2 completed their homework, 40% said there dog ate their homework and the rest were absent. what percent of the students were absent?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

How do you summarize data in a two-way frequency table?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?