Select all the expressions that equal
1.23/0.78

Plz help

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

If the value of cos330°is√3/2 then find cos 165°.

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is