Number 24 what is the name of each decimals in a fraction

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

The surface area of the triangular prism is .

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?