Francis bought a new dress that was discounted by 20%. She used the following expression to find the price of the dress after the discount was applied. d - (0.2)d

Which of the following is another expression that could be used to get the same results?
A.
80d
B.
d - 20
C.
0.8d
D.
d - 0.2

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.