Answer:
one solution: (-1/7, 47/7)
Step-by-step explanation:
here's the picture, work also provided! ↑
Answer:
1. b,
2.octagonal
3.d i think
4.vs
5.d
Step-by-step explanation:
took the quiz
You would round both numbers and subtract. For example 189 can round to 200 and 643 would round to 600. Now just subtract, 600-200=400