Answer:
B. -28
Step-by-step explanation:
7 times the value -4 is "added", yielding the result of -28.
So we're looking for an answer with -28 as an answer, and a "times 7". That's answer B. Answer D is not the right one since clearly, the model shows -4 being repeatedly (7 times) added. -7 added 4 times would be a different model.
Answer:
Step-by-step explanation:
L=®/360°2πr
L=90/360×2×3.14×2m
L=3.14m
