2. Which function has a graph that opens
downward?
F. x2 + y=0
G. x2 - y=0
H. -y = x2
J. y=x2 - 1

72 is the answer to this problem

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

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.