Please help me solve this problem ASAP

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

What is the solution of the equation? 35√(x+2)3+3=27

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis