The original concentration of a salt solution is 0.25M and 100ml. If the new volume of a solution is 1000 ml, then what is the new concentration?

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.