Answer:
you have to use cross-multiplication in order to find out the answer to this question.
Step-by-step explanation:
9/12 times 2/3
Whats the expression so you can plug those numbers in.
The answer is x=3, so that is false.
24 were of the questione were correct
Answer:
(a) 
(b) 
(c) 
Step-by-step explanation:
We have given velocity as function of t 
Acceleration is equation rate if change of velocity with respect to time
So 
(a) Acceleration at t = 5 sec

(b) Acceleration at t = 10 sec

(c) Acceleration at t = 20 sec
