a corporation earned a profit of 2.5 x 10⁴ for 10 days what was the corporations total profit during this time period

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Need on this geometry question. explain how you did it.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax