Answer:
B.7
Step-by-step explanation:
This one is pretty simple, just insert each number to find which one is true.
2(7)<18
14< 18 (true)
2(9) < 18
18< 18 (false because it said less than not less than or equal to)
2(36) < 18
72< 18 (false)
$18 is the rounded dollar to $18.48
(-1,1) (6,9)
distance = root (x1-x2)²+(y1-y2)²
so root (-1-6)²+(1-9)²= root 113 or 10.6 ≈11
the answer is B. 11.18 units