Please answer the following questions, and so work. Thanks.

2. Wind speed. Joe traveled against the wind in a small plane for 3hours. The return trip with the wind took 2.8 hours. Find the speed of the wind if the speed of the plane in still air is 180 mph.

4.-6x^2=3x+2 solve using quadratic formula.

5. Dimensions of a cereal box. The volume of a 10-oz box of corn flakes is 180.4 in.^3. The width of the box is 3.2in. less than the length, and its depth is 2.3 in. Find the length and width of the box to eh nearest tenth.

6. (x+200)^2/3 =36

7. 2-4x+5(x-1) < -6(x-2) write solution in interval notation.

8. |7-3x| >4 give the solution set using interval notation.