What is the average velocity of helium atoms in your party balloon at 295 K (71 oF). The mass of a helium atom = 6.65 x 10-27 kg.

)because it's going in order of the math sign

15 write your number

Ap human geography and geometry

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho