A) find a recurrence relation for the number of ternary strings oflength n that contain two consecutive 0s.
b) what are the initial conditions.
c) how many ternary strings of length six contain consecutive symbols that are the same?

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.