Which of the following could be the first step in solving the equation? 5^x=21

a) 1/5*5^x=1/5*21
b)5(Square root)5^x=5(Square root)21
c)log 5^x=log 21
d) log 5^x =21

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

Aphrase is shown read the phrase and give me the answer