I need help with this question i am on a short time limit

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).

Find the area of the unshaded square

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.