Whats 1 +1+? plz tell me and ill get you 10 points eazy

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.