Find an equation of the tangent line to the circle x^2 +y^2=24 at the point (-2 square root 5, 2).

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

If rt is greater than ba, which statement must be true ?