When a math class took a test, 15% of the class failed, 25% made some mistakes (but didnt fail), and 24 students got perfect scors. how many students were in the class?

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.

Me n o w. i need t h i s. 10 points

Plz hurry evaluate the expression a+b where a=8 and b=19