PLZ HELP ASAP its due at 5:00pm

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8