Spider-Man worked 0.75 hour on math, 0.675 hour on writing, and 0.25 hour each on science and social studies. How many hours did he work in all?

1.675

Step-by-step explanation:

The answer is spider man work 1.675 hours

Step-by-step explanation:

0.75+0.675+0.25=1.675

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

the absolute value function