Can anybody help?? You will get 16 points:) just answer 3-4

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

5cakes cost 3.50 how much do 7 cakes cost

Aliaa is skating down a ramp. the wheels on her skateboard have diameters of 60 \text{ mm}60 mm60, space, m, m. what is the distance aliaa travels when her skateboard wheels make 202020 revolutions? round your answer to the nearest \text{mm}mmm, m.