Which term describes the part of the area of a circle formed by an arc and two radii which intersect the endpoints of the arc? a. sector of a circle
b. circumference of a circle
c. area of a circle
d. diameter of a circle

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Write two point-slope equations for the line passing through the points (6, 5) and (3, 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?