Solve: 12x - 4y = 48 (for y in terms of x)

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Can someone tell me if this is perpendicular? !