Given the system of linear equations. part a: use substitution to find the solution to the systems of equations. include all of your work in your final answer. part b: algebraicall

The chart shows data on the construction of dreadnoughts, or armed battleships, by 1914. (look at chart provided) a logical conclusion that can be drawn from this chart is that britain and germany were a.)engaged in an arms race. b.)looking for ways to cooperate. c.)hoping not to fight on land. d.)the strongest nations on the earth.