How to find the surface area of a cylinder

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.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

If a || b and e || f , what if the value of y ?