If tom has 5 apples and brad has 10, what has more apples

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?