Correct answer gets !

#1 find the y intercept. 9x - 12y + 18z = -36

a (-4, 0, 0)

b (0, -3, 0)

c (0, 3, 0)

d (0, 2, 0)

#2 find the x intercept. x + y + z = 3

a (0, 0, 0)

b (0, 0, 3)

c (0, 3, 0)

d (3, 0, 0)

#3 find the z intercept. 9x - 12y + 18z = -36

a (-4, 0,0)

b (0, -3, 0)

c (0, 3, 0)

d (0, 0, -2)

#4 in three dimensions the graph of an equation in three variables such as: 3x - 2y + z = 6 is a

a sphere

b plane

c line

d single point