plzz help. starting of sea level a submarine descended at a constant rate to death of -5/8 my relative to sea level in 3/16 minutes the submarine continues to descend at the same rate what is a submarine death in relative to sea level after the first minute and to your answer as a simplified number in the Box​

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.

What properties allow transformation to be used as a problem solving tool

Can someone me do math because i am having a breakdown rn because i don’t get it