Pls help w math !

What is the value of y in the equation 4 + y = −3?

7
1
−1
−7

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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.

If u good at math hit me up on insta or sum @basic_jaiden or @ and