You plant a small tree that begins growing at a constant rate. You measure the tree after 3 weeks and find its height is 33 cm. After 7 weeks, you measure the height of the tree again and it’s height is 38.2cm

a) the constant of variation for this situation

b) how tall is the tree when you planted it (“initial value”)?

c) an equation showing the relationship

d) after how many weeks will the plant be 45 cm tall?

and last question

e) how much time has gone by when the plant is 51.3 cm tall?

Please someone help me with this!!