A barrel of oil was filled at a constant rate of 7.8 gal/min. The barrel had 10 gallons before filling began. Enter an equation in standard form to model the linear situation.

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

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).