Item 10
The spheres are similar. The surface area of the blue sphere is 1809.6 square meters. What is the surface area of the red sphere? Round your answer to the nearest tenth.

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

Lines a and b are perpendicular. the equation of line a is y=13x+3. what is the equation of line b?