Can anyone give me the standard divination for 10,12,10,8,20,10,15,18

please help !

Geometry ? i don't know how to do any of these.

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days