Find the distance between the points (a,-2) and (3a,5)

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Im literally having a mental breakdown

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)