How long would it take to earn Php 8,000 on a principal of Php 20,000 at 5% simple interest rate?

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. after tax the total is 45.99. what percentage of the subtotal is the total?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?