Doing a test I am in 6th grade but I just don’t know this answer someone plz help

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)

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air