Need with: a population was recorded at 2,000. it grows at a rate of 4% each year. which equation represents the total population, y, after x years.

a.
y = 2,000(0.96)x

b.
y = 2,000 + 4x

c.
y = 4 + 2,000x

d.
y = 2,000(1.04)x

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

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?

Anyone know these questions? i need ,.