(-22.5)÷(-1.5) plz me a -20b-24c 15d 21

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

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).

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2