-2.5(-3+4n+8) can you please expand it? tysm!!

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?

25 ! what is the value of x? enter your answer in the box. x =