Lucy collects data from a random sample of seventh-graders. Out of 40 respondents, 7 attend afterschool programs. Of the 200 seventh-graders attending Lucy’s school, how many would be expected to attend afterschool programs?

If an atom has no charge, what can we say about the subatomic particles in the atom? a) there will be the same number of protons and neutrons, but a different number of electrons. b) there will be the same number of electrons and neutrons, but a different number of protons. c) there will be the same number of protons and electrons.