May I have help please ?

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Choose the more precise measurement. 26.4 cm or 8.39 cm

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.