A pine tree grows about 18 Inches per year. After how many years will the tree be 90 Inches tall? [Type your answer as a number.]

Answer these questions showing your work plz

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18