GIVING BRAINLIEST :D If water is added to 100. mL of a 0.150 M NaOH solution until the final volume is 150. mL, what will the molarity of the diluted solution be?

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

May someone me with these science questions

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d