Janet has 10 pairs of specialty socks, each pair in a different color. Suppose she randomly picks two out of the drawer without looking, what is the probability that the two socks are a matching pair?

How do you answer this question? (step by step)

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3