If all the planets were in a row then if would only take 4 minutes because in this position, however this postion is just as common as when the Earth and Mars are on opposite sides of the Sun. In this position it takes 24 minutes for information to travel because Earth and Mars are 24 light minutes. So on average the Earth and Mars are 14 light minutes away so on average a message from Mars would take from 4 to 24 minutes to reach Earth.
Below are some concrete prices to help you determine your new concrete foundation cost. 1  Concrete is typically measured by cubic yards (3âx3âx3â). 2  An average cost for a cubic yard of concrete is $75 to $125, depending on how much is needed and local prices. An average cost for a cubic yard of concrete is $75 to $125, depending on how much is needed and local prices. 2  Labor costs to pour and form concrete run somewhere around $3.50 to $7.00 per square foot.
Lets start with the most basic concrete slab: A Basic concrete slab can vary heavily based on the thickness and site prep required. Concrete is sold by the yard and can vary in Price from $80-$200 per cubic yard, which will yield approximately 80 square feet at 4 inches thick.Price will vary based on the amount of site prep, surface prep, rebar, forming, and type of finish applied to the concrete's surface.cid stain: Sometimes referred to as acid etch, acid wash or acid washed concrete, patina stain etc. This system is used to add a permanent color to an existing or freshly poured cement topping or concrete slab. Prices can range from $2 per square foot to $7 for a basic application.