What real value of t produces the smallest value of the quadratic t^2 -9t - 36? Please show steps. Thank you!

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)