The lengths (in meters) of two sides of a regular triangle are represented by the expressions 3x-5 and x+9. Find the length of a side of the triangle

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa