Does anyone know how to use the triangle bisect or theorem?

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

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?

Which is the graph of linear inequality 2y > x – 2? image for option 1 image for option 2 image for option 3 image for option 4