Which of the following could be the equation of the line passing through (8, 3) parallel to y = -2.
y = 8
x = 8
y = 3
x = 3

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Can someone explain to me how to do

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.