How many solutions does this linear sytems have y= -1/2x + 4 x + 2y =-8 a)one solution: (8,0) b)one solution: (0,8) c)no solution d)infinite number of solutions

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

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

Hello, i need compare km^2 and km. what's difference in this?