4 of the power of 5 times 4 of the power of negative 7 divided by 4 of the power negative 2

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

What is not true about kl and mn? what is mn? (show your work)