Emergancy

what is the length of the third side of the window frame below?

(figure is not drawn to scale.)

48 inches
60 inches
70 inches
75 inches

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Can someone explain to me how to do

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.