D(5, 7), E(4, 3), and F(8, 2) form the vertices of a triangle. What is m∠DEF?

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.

table a is wierd

step-by-step explanation:

6*f

3+x

step-by-step explanation: