Among 62,110,90,285 which is the reflex angle

What is the value of x in the this question ?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000