Early one morning sandy took out one half of the coins from her coin bank, and in the evening she put in 20 coins. the next morning she took out one third of the coins in the bank, and that evening she put in 4 coins. the next morning, she took out one half the coins in the bank, leaving 15 coins. how many coins were in the bank to begin with?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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

How does the graph of g(x)=⌊x⌋−3 differ from the graph of f(x)=⌊x⌋? the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted right 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted up 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted down 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted left 3 units.