PLEASE HELP!!! 1) In 2000, there were 109 million cell phone users. The number of cell phone users grew to 300 million in 2010.

a) Write an exponential model that represents the number of cell phone users, where t represents the number of years after 2000.

b) What is the average rate of change?

c) What would be the number of cell phone users in 2020?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.