Can somebody plz help answer these questions correclty (like what the letter equals) thanks! :3 WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DD

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?

Measure a and b and find their sum. how are the angles related?

12.0 million metric tons of beef produced annually in the u. s. out if 65.1 mikkion metric tons of produced annually worldwide