Which of these steps should always be followed for effective problem solving?
a.) developing q plan and then implementing the plan
b.) making metric conversions
c.) usinf a trial-and-error approach and then evaluating
d.) buying a large quantity of material than estimated

C

Explanation:

Because then you can see if you were right and what you need to change. Sorry if this is not a good explanation:(

m=9

step-by-step explanation:

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )