Plz help me I have no idea how to do this

What is the product of the radical expression. (7-2square root) (8+2 square root)

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Write an equation for the function that includes the points (2,100)and (3,100)