9e+4=-5e+14+13e i need this answer plis

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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?