28/4=7 Therefore 1/4 of 28 is 7
The range of any graph are the set of all the y-values of the graph. For this graph, it goes all the way from 0 to about 3.5. I'd say the range of this graph was {0, 3.5}. Hope I could help!
Answer:

Step-by-step explanation:
You just subtract the new elevation from the original, 
Answer:
see explanation
Step-by-step explanation:
The standard form of the sine wave function is
y = a sin (bx + c) + d
where amplitude = | a |, period = 
phase shift = -
and d is the vertical shift
Here a = - 2, b = 3 and c = - π
Hence
amplitude = | - 2 | = 2
period =
and
phase shift = -
= 
Answer:
Step-by-step explanation:
The general formula for the total surface area of a regular pyramid is T. S. A. =12pl+B where p represents the perimeter of the base, l the slant height and B the area of the base.