Please fill in the answers by 4:00 !! (I'll give brainliest if u help me)

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

What are the domain and range of the function? f(x) = -4 (sqrt)x

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers