Need answers asap
a spherical object has a diameter of 18 cm. it has a spherical inner core with a diameter of 9 cm.
what is the volume of the outer layer?
use 3.14 to approximate pi. round to the nearest hundredth if necessary.
enter your answer in the box.

cm³

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²