What’s the reciprocal of 2 6/11

Math each whole number with a rational,exponential expression

Which rule describes the composition of transformations that maps △abc to △a”b”c

Asoftball team played ten games, scoring 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 runs. they lost by one run in exactly five games. in each of their other games, they scored twice as many runs as their opponent. how many total runs did their opponents score?