What kind of slope is (2,4) & 5,1) positive slope, negative slope, zero slope, or undefined slope

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal