Answer:
4/3
Step-by-step explanation:
Answer:
a-n=1
Step-by-step explanation:
Answer: 530.66 units²
<u>Step-by-step explanation:</u>

Answer: x1=-2
x2=2
Step-by-step explanation:
5x²+4x-19=4x+1
5x²+4x-19-4x-1=0
5x²-20=0
5x²=20
x²=20/5
x²=4
x1=-√4=-2
x2=+√4=2
Answer:
<h2>4</h2>
Step-by-step explanation:
