Solve for x , this figure is a parallelogram, please show your work

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Find the values of y: 3y^3(y^2+ 2/3y)=0