Two cars 280 km apart begin driving toward each other on a long straight highway one car travels 60 km per hour in the other 80 km per hour at the same time a canary starting on one car flies back and forth between the two cars as they approach each other if the canary flies 120 km per hour and spends no time to turn around at each car how far has it flown with the cars collide the canary has flown how many kilometers

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?