Kiana is staying on the 5th floor of a hotel. She rode an elevator down 7 floors from her room to the parking garage to get her backpack out of her car. Then she rode the elevator back up 2 floors to the hotel lobby. Which of the following expressions represent this real-word situation? Check all that apply.
5 + 7 + 2
5 + (–7) + 2
(–5) + 7 + 2
5 + 2 + (–7)

54

step-by-step explanation:

answer: options?

step-by-step explanation:

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation:

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.