Helle visits her doctor and explains to the doctor that she is having trouble concentrating on her final exams at college and is very short-tempered with her roommates. the doctor asks helle if she has been sleeping 6-8 hours each night. what may the doctor suspect that helle is suffering from?

What is the bottle's speed, as a percentage of the ball's incoming speed?

If a system of linear equations has the unique solution (2, −3), then its graph consists of what? parallel lines lines that intersect at a single point identical lines a y-intercept at −3

Which of the following situations would most likely occur if a human-induced event caused the ocean water to become the same temperature around the world? deep ocean current circulation would increase salt distribution around the world's oceans. surface ocean current circulation would distribute heat around land masses at a faster rate. new, fresher water would float on top of dense salt water and limit thermohaline circulation. some land masses in the northern hemisphere would start to warm up over time, melting snow and ice. runoff of surface freshwaters and rainfall would no longer have an effect on the salinity of ocean waters.