P=44+66+88/2=198/2=99
With Heron formula:
S=root 99*(99-44)(99-66)(99-88)=root 99*55*33*11=root 1976535= 1405.8929.....=1405.9
Answer:
3 + 2n
Step-by-step explanation:
2 + 1 = 3.
2n cannot be added into this because it has a letter in front of it. Therefore, it stays on its own.
Answer:
D. (5,3)
Step-by-step explanation:
The solution is (x,y). so in this case, you find the point where both arrows meet.
on the x-axis, which is positive right 5, and positive 3 up, on the y-axis
Answer:
i think it is 20
Step-by-step explanation:
6-2=4
4×5=20
