Step-by-step explanation:
x² + 9x < -20
x² + 9x + 20 < 0
(x + 4)(x + 5) < 0
Therefore -5 < x < -4 / (-5,-4)
Answer:
24 fluid ounces
720 m²
Area = base × height
= 12 × 6
= 72 mm²
≈ 720 m² (1 mm = 10 m)
Sum of 2 interior angles =180
1 angle+70=180
Another angle=110
