A new dirt bike valued at $9000 loses 18 percent of its value each year write an exponential function that models the value of the bike. And how much does the bike cost after 4 yrs

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

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).

Need on this geometry question. explain how you did it.