Solve this question
(Y÷z-3)(3+y÷z)

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Ineed here’s a picture of the question