What are the solutions of f(x)=x2−4x−5?

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).

Which table represents a linear function? i'll give brainliest to first answer ^'^

Are the corresponding angles congruent? explain why or why not.