Answer:
the answer is 15
Step-by-step explanation:
It is 15 because you subtract the total number of people that like physics from the total number of people that like Mathematics and u get 15
1.cuboid
2. 6
3. rectangle
4.
5.
The lines dont intersect
u = 2/3
Simply divide both sides by -8:
u = (-16/3)/-8
If you don't have a calc, use KCF:
u = (-16/3)(-1/8)
u = 16/24