Given that 4x−5y=39 Find y when x=3
Give your answer as an improper fraction in its simplest form.

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.