What is log (21/x2) written in expanded form?

log 21-2 log x

2 log x-log 21

2 log 21-log x

log x-log 21+2

The distance an airplane travels depends on how much time it spends flying. Which expression represents the distance the airplane flies in 20 minutes? A. 20 (distance) B. Distance (20) C. Distance + 20 D. Distance - 20

What is the exponent on 10 when you write 5.3 in scientific notation?

Divide 6k2 - 15k - 5 by 3k.

The senior class at Lincoln high had a car wash to raise money for grad night. The boys and girls competed against each other to see who can raise the most money. The girls raised $246 by selling 5 van tickets and 12 car tickets.

A bowl of candy contains 7 chocolate candies and 6 lemon candies. Choosing one piece of candy at random, find the probability of choosing a chocolate candy. Write your answer as a decimal, rounded to the hundredths place.

Seven people are seated in a row. they all get up and sit down again in random order. what is the probability that the two people originally seated at the two ends are no longer at the ends after they sit down again

Five-X=12 what does x=?

Joseph had 380 heartbeats in 4 minutes how many heartbeats did he have in 15 minutes

What is the answer for m+12=10

Kerion can make 12 necklaces in 2 hours how long will it take for her to make 10 necklaces