Which statements are true? Check all that apply.

The radius of the cone is 9 units.

The height of the cone is 15 units.

The height of the cone is 12 units.

The volume of the cone is represented by the
expression 17(15)2(9).

The volume of the cone is represented by the
expression 1.7(9)2(12)

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =