Insert one set of brackets [ ], one set of parentheses (), and one of each symbol for addition +, subtraction --, and division in the following sequence of numbers to create an expression whose value is 4. The numbers are
2 5 1 4 1

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)