There are seven black socks, eight blue socks, 10 white socks, and five patterned socks in the drawer. what is the probability of pulling a blue sock, replacing it, and then drawing a patterned sock out of the drawer?

The area of square garden is 300m squared. how long is the diagonal?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.