Need help on all 3 of them asap

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides

answer: what are the answer choices?

step-by-step explanation: