If a, b, c ∈ {1, 2, 3,..., 9} and (63 * a) + (14 * b) + c = 486 then a +b +c = ?

What are “like terms”? why can we only add like terms?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two