1.Simplify the expression-3(4x - 2) - 2(5x - 4)

2.Find all real solutions.

6p +2= p²+ 3p³

3.Find all real solutions.

(2 y)⁴= 3(2 y)²+ 1

4.Find all real solutions.

z⁴+ 3z²- 1 = 0

5.Simplify the quantity.

?(25)(4)

6.Graph the quadratic function. Find the x- and y-intercepts. Find the range.

f(x) = x²+ 2

7.Solve the inequality. Write answer using interval notation.

|2x + 1| ? 5

8.Solve the inequality. Write answer using interval notation.

|x + 3| ? |6x + 9|

9. Concerns about global warming have led to a studies of the mm global temperature and the concentration of carbon dioxide. Listed are concentrations (in parts per million) of CO2 and temperatures in centigrade (CE different years. What is the linear relationship (r) for the two variables? Interpret the result