A $30 item is on sale for 60% off. It is charged a 6.25% sales tax. What is the final cost? * 0/1

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need