Sorry this just got deleted :( ill post it again

= 7
I'm sorry I'm bad at explaining how i solved it
Answer:
3.33 m/s
Step-by-step explanation:
Distance divided by time = speed
100/30 = 3.33 m/s
8x+2 it’s correct because it’s correct
Answer:
x=18
Step-by-step explanation:
180=62+(7x-8)
solve
x=18