Let p be the statement "I fix my car," q be the
statement "I will be able to sleep," and r be the
statement "I have a test tomorrow." If p, q, and r are
all false, determine whether the statement "Either I
fix my car or I will not be able to sleep" is true or
false, and whether the statement "Either I fix my car
or I will not be able to sleep, and I have a test
tomorrow" is true or false using the following truth
table: