The weather forecast states that the temperature will be lower than -5*F tonight. Let t represent the temperature in degrees Fahrenheit. Which inequality models the situation.
At < -5 and t may be a negative number
Bt < -5 and t must be a positive number
Ct > -5 and t may be a negative number
Dt > -5 and t must be a positive number
At < -5 and t may be a negative number
Bt < -5 and t must be a positive number
Ct > -5 and t may be a negative number
Dt > -5 and t must be a positive number