Answer:
A dilation stretches or shrinks the original figure. A description of a dilation includes the scale factor (or ratio) and the center of the dilation. The center of dilation is a fixed point in the plane. If the scale factor is greater than 1, the image is an enlargement (a stretch).
45,000-780h=y
It looses 780 gallons per hour so you do 780 time # of hours.
Answer:

The transformation that occurs from
is compression by 3 units horizontally and shift of 4 units upwards.
Step-by-step explanation:
Given

Translation Rules:

If
the function is compressed
units horizontally.
If
and
the function stretches
units horizontally.

If
the function shifts
units to the up.
If
the function shifts
units to the down.
Applying the rules to 
Step 1


[compressed
units horizontally]
Step 2


∴ 
[shifts 4 nits up]
∴ The transformation that occurs from
is compression by 3 units horizontally and shift of 4 units upwards.
Answer:
n>=1
Step-by-step explanation:
30-5n<=25
5n<=30-25
5n<=5
n<=5/5
n<=1
n>=1