A tree cast a shadow 21 meters long. The angle of elevation of the sun is 51 degrees. What is the height of the tree?

Pls , the question is in the picture!

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3