In a survey, 35 out of 75 students buy a school lunch on fridays. there are 600 students in the school. how many students can the cafeteria manager predict will buy lunch at school each friday? a.240 b.300 c.280 d.525

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone