Decide if each sum is positive or negative. Choose Positive or Negative for each sum. Positive Negative a. -41 + 22 O b. 3.3 + (-3 C. -0.1 + (-513.5) + 513.5 O d + (-0.12) O 10

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

step-by-step explanation:

answer is a. 13.268 l know it is