How many numbers between 325 and 564 end with 0?

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.

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?