Maribel wants to skate 1 1/2 miles on monday. if she skates 7/10 miles on monday morning and 4/5 of that distance on monday afternoon will she reach her goal

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.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?