-7/2 + 1/4 the answer and how to get the answer, how to solve the problem

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?

Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?

In a newspaper, it was reported that yearly robberies in springfield were up 25% to 265 in 2013 from 2012. how many robberies were there in springfield in 2012?