If the sin 30° is 1 over 2, then the cos ° = . (4 points) 60° ; 1 over 2 30° ; square root 2 over 2 60° ; square root 3 over 2 30° ; 1

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?