X3 = 0.008 what does the x equal

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?