Simplify the sum
(4 + 4 + 2) + (6ư - 2u + 8)
a. 10 - 2u + 4u? + 10 u?
b. -2ư - 21? + 4u - 10
c. -2° + 4u? - 2u + 10
d. 10° + 4u? - 2u + 10
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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).

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Ineed if you could explain and give me the answer you! this needs done