Ineed with this which number sentence could be used to solve this problem?

hugo earned 6 medals for work done for his club. his dad earned 18 medals when he was in the club.

how many more medals does hugo need to earn to have the same number as his dad?

a: 18 x 6 = blank
b 18 ÷ 6 = blank
c 18+6 = blank
18-6 = blank

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?