Find the perimeter of the polygon. 3.2 in 3.2 in 3.2 in 4.88 in 0.6 in (not to scale)

Which fraction below is equivalent to 10/12?

When you answer this can you explain

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.