Determine whether the following statements are true or false

Determine whether the following statements are true or false. Explain your answers.

A) If an argument has premises that are all false, then it is invalid

B)In base 6, the next number after 55six is 100six.

C)The intersection of two disjoint sets has no proper subsets.

D)The statement “I don’t go to the beach whenever the tides is high” is equivalent to “if I go to the beach, then the tide is not high.”