If a man who fought in the Kosovo War of 1998-1999 wrote a book about his personal experiences in the war this year, would his book be a primary or secondary source about the Kosovo War and why? please dont play around i really need your help

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%