mark takes $4000 from john for 2 years at the rate of 10% half yearly interest. what amount will be paid by mark to john after end of 2 years?​

Which of those sequences is a geometric sequence

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.