Which statements are true about the ordered pair (10, 5) and the system of equations? {2x-5y=-5 x+2y=11 a. the ordered pair (10,5) us a solution to the first equation because it makes the first equation true. b. the ordered pair (10,5) is a solution to the second equation because it makes the first equation true. c. the ordered pair (10,5) is not a solution to the system of equations because it makes atty least one of the equations false. d. the ordered pair (10,5) is a solution to the system because ur makes both equations true.

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?