Step 1: Add up all the atoms on each side BEFORE you balance the equation. NaBr + CaF2 - NaF + Cab Reactants Products Na- Na- Br- Br- Ca- Ca- F​

Can someone me with these questions plz.

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

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?