Anon-scale model of the earth has a diameter of 18 in. within an outer clay layer, there is a core made of a ball with a diameter of 3 in.

what is the volume of the clay?

use 3.14 to approximate pi. round to the nearest hundredth if necessary.

enter your answer in the box.

Me find the missing dimension of a triangle height: 7 in., area: 21^2

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Find the value of the variable and the length of each secant segment.