1. An iPhone is on sale for $780. It originally cost $1000.00. What is the percent of change?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39