A chairs regular price is $349 it is on clearance for 30% off in a customer uses a 15% off coupon after that what is the final cost of the chair before sales tax?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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?

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.