What is the equation of a line that is perpendicular to (-6,3) and (3,5)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units