ITS A TEST PLS HELP ME

225/100 of last years cost. write each fraction as a decimal and as a percent

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

What is the average rate of change for this function for the interval from x=2 to x=4 ?