Ayuda por favor!urgente

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?