Is this following graph no correlation , positive correlation , negative correlation?

7friends share 4 pizzas equally how much pizza did each friend get

What is the volume of the sphere shown below with a radius of 3?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).