Lia dropped a coin from a certain height above the ground. She measured and represented its displacements x1, x2, and x3 in the first, second, and third seconds of its fall. What is the ratio of x1, x2, and x3? 1:1:1
1:2:3
1:3:5
1:4:9

D

Step-by-step explanation:

S is directly proportional to t^2. So the ratio is 1^2:2^2:3^2

step-by-step explanation:

the true ones are a b and d

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation: