In how many years, will an amount double itself, if the simple interest is calculated at the rate of 10% p. a.?

Question 5 spring semester final exam math evaluate

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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)