Help with math please?
I got C but Im not sure If im correct.

The trigonometric ratios sine and secant are reciprocals of each other

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room