Which of the following is(are) the solution(s) to |x+8|=1 A. x=9
B. x= 7,9
C. x= -7, 9
D. x= -7

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

I’m really confused and need to learn this

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?