A colony of bacteria started with one cell and doubled 12 times, so that the population contains 2exponet 12 bacteria. how many bacteria are in the colony?

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?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)