María has three children. there is a two years age difference between each child. the total ages of all three children is 36 years. rosa is the oldest child. how old is rosa? let r= the age of rosa.

Answer these questions showing your work plz

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?