Please help Prompt
Describe a way that you can remember the elements of the reflection matrices if you forget where the 1s, -1s, and 0s belong.

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

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2