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What is the smallest number of a line segment that can be drawn within a circle to separate it into 11 distinct regions? 3. You arrange six points evenly on a circle and draw a straight line between every pair of points. How many straight lines did you draw? Can anyone help me solve this ? (z^8 -16 over z^4 - 4z^2 +4) divided by (z^4 +2z^3 + 4z^2 + 4z +4)? There are 1.110x10^20 atoms of O in an unknown sample of Mg(NO3)2, how many milligrams would the unknown sample weigh? Dr. Black reports the results of a one-way, repeated-measures ANOVA as F(2,20) = 8.49, p < .05. How many times was the sample measured?