Which inequality best models the situation if variable t is the temperature in degrees Celsius?
A severe weather warning is issued when temperatures fall below –18.5°C. Show the possible temperatures when the alert is issued.
A.
t < –18.5 and t may be a negative number.
B.
t < –18.5 and t must be a positive number.
C.
t > –18.5 and t may be a negative number.
D.
t > –18.5 and t must be a positive number.
please help Ive got 4 more questions
