5. Both Henry and Gina evaluated this expression: (-34x4 - 1) = (-5)
Henry's answer was 13 and Gina's answer was -13. Who is correct? What is the likely error the
other student made? (2 marks)

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