Answer:

Step-by-step explanation:

Answer:
amplitude = 4
Step-by-step explanation:
the amplitude is the maximum subtract the minimum divided by 2
maximum = 1 and minimum = - 7
amplitude =
=
= 4
10 - 2x = -5x -5
+2x +2x
10 = -3x -5
+5 +5
15= -3x
X= -5
3(n-7)=-30
3n-21= -30
3n = -9
n= -3
Answer:
32 water bottles
Step-by-step explanation:
8x=425-175
425-175=250
250 is how much more they need.
8x=250
x=31.25
You can't have half of a bottle... so round up to at least 32 water bottles