Solve this inequality. 7x + 2 > 30

Can someone answer this question? : )

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?