When adding √16 and -8 which type of number is the sum? which is integer but someone please tell me why its an integer

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

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.

Which two undefined geometric terms always describe figures with no beginning or end?