Solve the system of equations using subtraction. 3x - 2y = 1
3x + y = 13
The solution is . (Type
an ordered pair.)

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!