Will give brainliest asap

in the following function defined by an equation in the form y=ax^2+bc+c, identify the values of a, b, and c.
y=-2x^2

a. a= -2,b=0,c=0
b. a= -2,b=-2,c=-2
c. a=0,b=-2,c=0
d. a=0,b=0,c=-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?

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x