Please answer this histogram question!!

Choose the more precise measurement. 26.4 cm or 8.39 cm

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *