Question 16 (Essay Worth 7 points)

Verify the identity.

tan (x + π/2) = -cot x

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?

Kaitlin is on s long car trip. every time she stops to buy gas, she loses 15 minutes of travel time. if she has to stop 5 times, how late will she be getting to her destination?