Which of the following properly represents the relationship of π for a circle with a radius of 11 mm and a circumference of 69.12 mm?

What is sin 7x/4 ? i need on this urgent trig

Asphere has a diameter of 10 in. what is the volume of the sphere?

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit