I need both answers now please and don answer if u don’t know

What are the values of each variable in the diagram below?

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

Aband wants to create a cd of their last concert. to creat the cds, the cost will be $350 advertisement fee plus $3 per cd. write an inequality that represents how many cds they can buy with a maximum of $1225.solve the inequality