Hello!
Kinematics by definition is the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion.
I’m pretty sure that the one you marked is correct
Answer:
b) 16 + 9 + 4 + 1 + 0 + 1 + 4 + 9 + 16 + 25 + 36 + 49 + 64 + 81 + 100 + 121
Step-by-step explanation:

3.125 as a fraction is 25/8
Answer:
chord CD is 11
Step-by-step explanation:
just add 2 and 9