The best unit for measuring the length of an eyelash is millimeters
Answer:
Step-by-step explanation:
a² + b² = c²
3.6² + b² = 7.4²
b² = 7.4² - 3.6² = 41.8
b = √41.8
2100|2
1050|2
525|3
175|5
35|5
7|7
1|
2100 = 2 × 2 × 3 × 5 × 5 × 7 = 2² × 3 × 5² × 7
ANSWER
The limit is -4
EXPLANATION

The numerator factors into (x-2)(x+2)

The (x+2) cancel out

By direct substitution
