A soccer ball is kicked straight up from the top of a 128 foot tall building according to the equation h(t)=-16t^2+32t+128

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).

Ihave trouble finding the nth term of a linear sequence

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1