Which of the following algebraic steps will solve the equation need help please

What is the result of adding the system of equations? 2x+y=4 3x-y=6

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets