Use the formula C=2*3.14*r to find the missing length for the circle the circumference is 48

r = 7.6433121 or 24/pi

Step-by-step explanation:

Put 48 in the equation

48 = 2 * 3.14 * r

Divide by 2

24 = 3.14 * r

divide by 3.14

7.6433121 = r

r = 7.6433121

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.