They are spread primarily by human activities. Three methods that can spread invasive species is ; blowing by wind, splashed by rain and carried by animals.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Joanie watched 1 out of three of a movie in the morning

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?