Hiiioo could someone please help me❤️ Question : The Interior angle of a regular polygon equals 150°, how many sides does the polygon have?
A. 12
B. 10
C. 15
D. 3

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?