Friends I want the answer for this . Can you give the answer ?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent