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**Stuck on these....**

1.Convert the following equation to Cartesian coordinates r sin (angle) = -2.

2.Convert the rectangular equation y = -5x + 4 to a polar equation.

3.An aircraft going from Atlanta, GA to New York, NY on a bearing of S69oE is traveling at a speed of 430 miles per hour. The wind is blowing out of the north to south at a speed of 25 miles per hour. Find the ground speed and the plane's true bearing.

4.Two teams are playing push ball with a large 8 foot diameter ball. One team exerts a force represented by the vector a = 2 i + -5 j , and the other team exerts a force represented by the vector b = -8 i -3 j . Determine the combined force magnitude.