Nina and ryan each ran at a constant speed for a 100-meter race. each runner’s distance fro the same section of the race is displayed on the left. who had a head start, and how big was the head start?

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)