The zeros of the function occur when the graph meet the x-axis so in this case the zeros occur at B ( 0 and 5)
Set up multiplication of ratios so that they cancel out units that you do not need in your final answer...
5lb($4.20/2lb)=$10.50
A pair of lowercase letters represents a recessive gene.
For further clarification, if needed... If the punnett square was for dark hair being dominant over blonde hair, the offspring that was represented by two lowercase letters in a punnett square would have a phenotype of blonde hair.
