Both a and b.
Hope this helps!!!
Answer:
x≥3
Step-by-step explanation:
7x-28≥-7
Add 28 to each side
7x-28+28≥-7+28
7x≥21
Divide by 7
7x/7≥21/7
x≥3
Answer:
547.125
Step-by-step explanation:
Answer:
(2, 5)
Step-by-step explanation:
I plugged into a graphing calculator and just did it by looking at how many spots it was down or over from the midpoint and then did the opposite. I really don't know how to explain it so I am sorry for that, but I hope this helps.