In circle o, diameter of line segment ab has a length of 15 cm, and measure of angle bac= 65°. what is the area of sector bac of the circle. ( express the answer to the nearest tenth of a square cm)

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

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?