Answer: hmm i think they said the "the pen there strongest weapon and book" because knowledge is there strongest weapon? sorry if i'm wrong i don't know .-.
Explanation:
Answer:
By 1929, there were many weaknesses in the American economy. The economic boom was faltering. It was too heavily based on cars and consumer goods.
Explanation:
2017 is when it started bruh
Well to start of with u can cross out a and c so now your left with b and c
So the answer is (D)
The difference for the given polynomial is 
Explanation:
The given polynomial is 
A polynomial is generally a sum or difference of terms or variables which are separated by addition and subtraction signs. There are "three types of polynomial": Monomial, binomial and trinomial.
The difference between is found as follows:
D = 
Removing the brackets, we get,
D = 
D = 
D = 
Thus, the polynomial represents Option A as the difference.