Does Anyone have history questions??? I need to answer some for my challenge I will get them right!!! (This is also technically free points soo) But plz only answer this if you have som 4 me.

I guess so I already have the answer but like here

Explanation:

Why did the Mongol Empire last only for a relatively short time?

The height of a kicked football can be represented by the polynomial –16t2 + 22t + 3, where t is the time in seconds. Find the factored form of the polynomial.

A)

(–8t + 1)(2t + 3)

B)

(8t + 1)(–2t + 3)

C)

(–8t + 3)(2t + 1)

D)

(8t + 3)(–2t + 1)

expalnation: would love if you can answer :)

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

i believe your answer is d)