What is it with the name sara these days! ? xd
sara's mom takes the parkway to work. it takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. what is her average speed?

16.5 mph
4.0 mph
33 mph
66 mph

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

How many atoms are in 2 moles of phosphorus