If a student wears a ribbon to support or to protest a war, which type of expression is this person exercising?

petition
speech
assembly
press

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).

Math it's appreciated. (picture provided)

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]