Add together: 1. How many years was the Spanish Civil War? 2. How many years did it take to build The Valley of the Fallen or El Valle de los Caídos? 3. How many total soldiers are buried at El Valle de los Caídos? PLEASE HELP I AM STUCK ON THIS.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)