100 points! Please answer by explaining it well.

Find the volume of the composite solid.

Please list all steps.

And please answer as soon as possible.

Thanks

Multiply. write your answer in simplest form. 3/8 x 5/7

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

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? *