Simplify.

1/4y + 1 1/2 + 2− 1 3/4y−12

Which of the following could be the graph of the equation y = -2x + 5

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

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0