What is $6.977 rounded to the nearest cent

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Which expression shows the sum of the polynomials with like terms grouped together

What is the factored form of the following expressions? d^2 – 13d + 36