Marcus, nan, and olivia each have $1.65 in their pockets. they decide to combine the money. how much money do they have altogether?

Can someone me do math because i am having a breakdown rn because i don’t get it

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?