Given a real life scenario how would you graph the situation? What would be the x and y values? What would the slope be and how would you find the y intercept?

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Me i’m stuck on all these questions besides the two bottom ones

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample