The product of w and 5 is less than or equal to -25

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

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?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)