Evaluate the expression

a+bif a = 3 and b= -5

brain-list to the correct answer

-2

Step-by-step explanation:

a+b,a=3&b=-5

3+(-5)

3-5

-2

answer: the answer is 40.82

step-by-step explanation: 3.14 x 13(or half of 26) to the power of 2

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