16: B; irrational number, real
17: C; whole, integer, rational, real
18: B; real, rational, integer
Answer:
mhuaaa
Step-by-step explanation:
papapapapapapapapa
Answer:
The choice Draw 2
Step-by-step explanation:

I hope I helped you^_^
Answer:
y=30x+50 and y=40
Step-by-step explanation:
1/2 + 4x = 5x - 5/6
1/2 = x - 5/6
3/6 = x - 5/6
x = 8/6