Answer questions 6,7,8,9

Show work for each

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.