Which of the points (s, t) is not one of the vertices of the shaded region of the set of inequalities shown below?
s< 40 - 31
s> 12 -
S< 30-t
S>0
t> 0
A. (0,30)
B. (25,5)
C. (12,0)
D. (0,13.33)

453

Step-by-step explanation:

i think it might be a but you might want a second opinion

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.