Sagot :
1. L varies jointly as the product of m and n.
2. E varies jointly as the a and square of b.
3. M varies jointly as the square of a, and b.
4. N varies jointly as the square of both a and b.
5. R varies jointly as the a and square root of d.
#CarryOnLearning
Mark this brainliest if it's helped you out :)