Is 0.3 equal to 3 divided by 10 i need it in five minutes

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price

The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle

Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill