If Clare earns $75.50 the next week from delivering newspapers and deposits it in her account balance of $24.50, what will her account balance be then?

Find the domain of the following expression: 1/(√x)-2

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

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?