This isosceles triangle has two sides of equal length , a, that are longer than the length of the base , b. the perimeter of the triangle is 15.7 cm. the equation 2a + b = 15.7 models this information. if one of the longer sides is 6.3 cm, which equation can be used to find the length of the base ?

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