Match the terms to their definition. Test problem
variable
a letter or symbol used to represent
an unknown
2. substitution
a mathematical expression
containing one or more variables
replacing a quantity with its equal
3. algebraic expression
4. evaluate
to find the numerical value of
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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).

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Find the value of x. give reasons to justify your solutions! l, m ∈ kn