Can someone help me please ??

If i have one apple and give you the apple, how many apples do i have?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers