Find the number of square decimetres in a hectare. I WILL MARK YOU AS BRAINLIEST Show all the steps! All details i don't have much time. I will mark you as brainliest if you give me the correct answer! Please do it asappp!

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.