Algebra 2

All new and solved questions in Algebra 2 category

PLEASE HELP wiTH ALL OF THEse. I DONT KNOW WHERE TO START---THANKS!1. At 2pm the number of bacteria in a colony was 100, by 4pm it was 4000. Write an exponential function to model the population y of bacteria x hours after 2pm.2.Using the information in problem 1, how many bacteria were there at 7pm...
You want to make a rectangular box that is x cm high, (x+5) cm
You want to make a rectangular box that is x cm high, (x+5) cm. long and (10-x) cm. wide. What is the greatest volume possible? What will the dimensions of the box be? I need all of the steps to get to the answer....
Ralph, Mario, Jack, Laura, and Maria are in the math club
Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students?I got this wrong...here was my answer5*4*3/(2*1) 60/2 30 teams combination...