Answer:
normalcdf(-1^99, 25.1, 25, 1.2) = .226627 or 22.66%
There's nothing to multiply. However, you can factor it to get (x + 4)(x - 4).
Answer:
0.6 liters
Step-by-step explanation:
Half the area is expected to take half the paint.
... (0.5 m²)/(1 m²) × (1.2 L) = 0.5×1.2 L = 0.6 L