PLEASE I NEED HELP QUICK PLEASE When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step? Original Equation: 2x2 + (4x2+5) = x2 – 7​

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?