What are the rules of trichotomy???

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?