What is4 3/4 as a improper fraction

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).

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Plzzz answer both questions and i will give you 100 points