How to simplify 4 minus the square root of 28

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?