Question 3 (Mandatory) (1 point) Which of the following constructions would help to construct a line passing through
point C that is perpendicular to the line AB?
B
8
a) Construction of a square with one side AB.
b) Construction of a hexagon with one side BC.
O c) Construction of a perpendicular bisector through C.
Od) Construction of an equilateral triangle with one side AB.
Question 4 (Mandatory) (1 noint)

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet