What’s the answer to ​9.1x−0.8=−1.71

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The function models the number of accidents

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?