?? anyone know thank you❤️

Which expression gives the area of the triangle shown below

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).

What is the factored form of the following expressions? d^2 – 13d + 36