On a bicycle trail, the city is painting arrows like the one shown below: Upper pointing arrow with height of 14 and length of 12. Rectangular base of arrow has length of 10 and height of 11. All units are in centimeters.

Calculate the area of the arrow by decomposing it into rectangles and triangles.

128 square centimeters
135 square centimeters
146 square centimeters
168 square centimeters

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?