What is the value of the fourth term in a geometric sequence for which a1=10 and r=0.5

In the diagram of circle a what is m

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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)