I need help with this one.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)