Pls help Don’t put the answers in files thank you

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.