A 28-inch ribbon is cut into 8 pieces that are all the same length. What is the length of each piece?

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.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83