HELP ME PLZZ, ASAP!!

In your own words explain what a Cross Section is.

A cross section is a surface or shape that is exposed by making a straight cut through something especially at right angles to an axis.

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.