A title could be the effect of the amount/number of days on the amount/number of bacteria. For the 2nd The IV is temperature, the DV is Enzyme Activity and a title could be The effect of Temperature on Enzyme activity.
If my calculations are right 68 times 53 is 3,604
Arc length = radius * central angle (in radians)
central angle = arc length / radius
central angle = 7 / 7
central angle = 1 radian
central angle = 57.296 degrees
It would be 10x10 =100 or in other word 10 times itself. Also known as 10 with the 2 hanging over the 10.
