Consider the line 5x+9y=-9.
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?

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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.

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce

step-by-step explanation: