In right triangle PQR, the right angle is located at vertex Q. The length of line segment PQ is 6.5 cm. The length of line segment QR is 9.7 cm.
6.5
Q
9.7

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.

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.