Which student did not represent the power of 10 correctly?

Which value would be a solution for x in the inequality 47-4x< 7

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?