The answer is <span>B. The cable company decrease the monthly charge by 20%</span>
9.285714285714286 645=650 69=70
(x+4)^2 / 9 - (y+3)^2 / 16 = 1
a^2 = 16 and b^2 = 9
a = +4 and -4
b = +3 and -3
Center is (-4, -3)
Vertices is (-4 + a, -3) and (-4 - a, -3)
Vertices is (-1, -3) and (-7, -3)
A dot plot shows results from a range of data, giving it coordiantes so you can plot it on a graph
