Answer:
The statement
is a contingency.
The statement
is a contradiction.
Step-by-step explanation:
A tautology is a proposition that is always true.
A contradiction is a proposition that is always false.
A contingency is a proposition that is neither a tautology nor a contradiction.
a) To classify the statement
, you need to use the logic laws as follows:

by the logical equivalence involving conditional statement.
by the Commutative law.
by Distributive law.
by the Commutative law.
by the Negation law.
Therefore the statement
is a contingency.
b) To classify the statement
, you need to use the logic laws as follows:

by the logical equivalence involving conditional statement.
by the Commutative law.
by Distributive law.
by the Negation law.
Therefore the statement
is a contradiction.
LCD is 12.
12 goes into 12 once. 12x1=12
12 goes into 60 five times. 12x5=60
10,634.4 total cost
2954t t=3.6h. 2954 x 3.6 = 10,634.4 total cost
Answer:
Step-by-step explanation: