Please Help! This is due in 15 minutes! Will Mark Brainliest!

The table below represents the weight of a baby over the first year of doctor appointments. Determine the average rate of change for the first 6 months of the baby's life?

What is the greater volume 72 quarts or 23 gallons

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?