One of two numbers is five more than other. the sum of the numbers is 17 find the numbers

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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?