An architect is designing a water fountain for a park. She uses the given function to model the water jets flowing from the fountains nozzles, where h(x) gives the heights of the water jet , feet x feet from it’s starting point. H(x)= -1/20x^2 +x+15

U

Step-by-step explanation:

Ummm

i got 142 as my answer

step-by-step explanation:

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.