Please help! Geometry!

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

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)