In which expression should the exponents be multiplied?
( a. one fifth to the 2nd times one fifth to the 6th) ( b. 9 to the 3rd over 9 to the 4th) ( c.7 to the 3rd ⋅ 7 to the 8th) (2 to the 6th)−5

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

What is the value of x? enter your answer in the box.