Answer:
the top left picture is a function
Step-by-step explanation:
it is a function because the line does not go over the same x-value more then once.
Answer:
A. 3a-2=54
Step-by-step explanation:
3 x her age - the 2 year will equal 54
Answer:
4974
Step-by-step explanation:
4145/5= 829
829*6
28 + 39 + x = 180
67 + x = 180
x = 113
113 + y = 180
y = 67
64 + 67 + z = 180
131 + z = 180
z = 49