SCIENCE
please dont guess on this and I need this ASP thank you:)))

Which of these is the algebraic expression for "4 times the sum of 2 and y?"
4.2 + y
O4(2 + y)
O2 +4. y
O2(4 + y)

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe