A leaf falls from a tree from a height of 20 m. Assuming there is no air resistance, how fast will the leaf be moving when it hits the ground? 1) 14.0 m/s
2) 196 m/s
3) 19.8 m/s
4) 392 m/s

Can you guys plz answer this question in order and quickly plz i will give 30 points

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.