A cylindrical tube contains 5 spherical ball bearings. The tube is 20 centimeters long and has a diameter of 4 centimeters. Each ball bearing in the tube has a radius of 2 centimeters. Find the amount of space in the tube that is not occupied by ball bearings. Round your answer to the nearest cubic centimeter.​

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2