He starts at a position that is 15 feet below sea level . he rises 9 feet , then descends 12 feet to take a photo of coral reef . write and evaluate an expression to find his position relative to sea level when he took the photo .

Simplify the expression. enter the correct answer.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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. determine an equation to model his situation?