1000 people in Madagascar were surveyed to determine their genotype at the hemoglobin allele (Hb); the number of individuals carrying the sickle cell allele (Hbs) was determined. Use the Chi-Square test to determine if the resulting data is in Hardy-Weindberg equilibrium.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.