Which of the following contains the MOST atoms?
Hg2(NO3)2
C4H4F4Cl2
Al2(SO4)3
K2MnO7

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Ineed if you could explain and give me the answer you! this needs done