Answer:
please mark me brainliest
12+x = 18
3x+y = 23
4y-10 = 10
1/2 xy = 15
Answer:
Hormones are chemical messengers released from endocrine glands that travel through the blood system to influence the nervous system to regulate behaviors such as aggression, mating, and parenting of individuals.
Explanation:
Change the words add a beat and yeah