# Questions & Answers

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- Solve the Quadratic Equation 4x²-5x-12=0
- Find dy/dx and d²y/dx². For x = et, y = te−t [Solved]
- Evaluate the Surface Integral. S = $\int$ x2z + y2z ds. S is the hemisphere and x2 + y2 + z2 = 9, z ≥ 0
- Evaluate the line integral where c is the given curve.
- A hurricane wind blows across a $6.00 \,m\times 15.0\, m$ flat roof at a speed of $130\, km/h$. Is the air pressure above the roof higher or lower than the pressure inside the house? Explain.