Four years ago, jane was twice as old as sam. four years on from now, sam will be 3/4 of jane's age. how old is jane now?

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

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 = 4? r^2. write your answer in scientific notation.

Can anyone me get through my algebra 2 class? the only class i need to graduate..