The quicker I could get an answer the better because I'm soo confused

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.

The constant of is the value that relates two variables that are directly or inversely proportional. a.discrete function b.independent variable c.variation d.function notation