-3/4f+ 5/4 Please help guys! i may have more questions ike this so please stay to help i really apppriciate it thank you!

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking:

The room above is shaped like a rectangle and has a perimeter of 34 feet. if the room is 11 feet long, how wide is it?

The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.