How many diagonals can be drawn in the shape below?

24
40
18
20
?

Will mark brainliest question in the pic.

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).

Can some one explain this i got sent this. is this a threat i’m scared