Lisa bought 3 packs of red bouncy balls and 2 packs of yellow bouncy balls. each package contained 7 bouncy balls. how many more red bouncy balls than yellow bouncy balls did lisa buy?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

4+(2+x) can you me solve this problem