How far did the object travel by the end of eight seconds according to the graph above?

Explanation:

In the speed vs time graph,the distance travelled by the object is the area under the speed-time curve.

So,area under the speed-time curve=

It is given that in first four seconds.

It is given that in last four seconds.

area under the speed-time curve==

i need the answer to this too but idk it ; -;

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).