If line ab is parallel to line cd, and line cd is perpendicular to line ef. what can you conlude about ab andef

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 equivalent ratios for 24/2= /3= /5.5=108/ = /15

What is the anwers for 9+2x=5x-3-x