Someone PLEASE help me !! 1. five times the product of two numbers x any y, divided by a third number z. what is the algebriac expression?

2. Seven times the product of two numbers x and y, less five, divided by thrice a third number z, what is the algebriac expression?

3. Half the product of two numbers x and y, minus five times a third number z. what is the algebriac expression?

4. three times a number x, minus four times a second number y, divided by seven times a third number. whats the algebriac expression?​