Area is base * height /2 perimeter is u add them all up I think
By if it is negative or positive
<span> 2 357142857/500000000</span>
Answer:
2a^4+5a^3-6a^2+19a-20
Step-by-step explanation:
(a^2+3a-4)(2a^2-a+5)
2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20
2a^4-a^3+6a^3+5a^2-3a^2-8a^2+15a+4a-20
2a^4+5a^3+2a^2-8a^2+19a-20
2a^4+5a^3-6a^2+19a-20
Answer:
The answer is 21/35 or 3/5
Step-by-step explanation:
35-14=21