In a survey of 93 resorts, it was found that 30 had a spa,39 had a childrens club,11 had a spa and children club, 9 had all three features, 56 had a fitness center, 16 had a spa and a fitness center and 20 had a fitness center and childrens club. how many of the resorts surveyed had only a spa?

The value √10 and √15 are plotted on the number line

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was