Pls help me i’m awarding brainliest.

What is the area of these shapes and what is the FSA.
Also if you can how do i solve them my self especially 3 and 4.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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.

Construct the graph that models the given situation