On a test a student got 15 problems correct out of a total of 20 problem.

What percent did the student get incorrect?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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