Answer:
horizontal line because it doesn't pass vertical line test
11.7613636364
Step-by-step explanation:
or just round up to 12
33
4,14,24,34,40,41,42,43,44,45,46,47,48,49,54,64,74,84,94,
104,114,124,134,140,141,142,143,144,145,146,147,148,149
