Need math help plz neddd helps no links or imma report u 20 points plzz helps

An equation where variables are used to represent known values—function notation true or false

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?