Three of the angles of a quadrilateral are 120 48 and 92 what is the size of the 4th angle

What values of c and d make the equation true?

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

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3