Select all the expressions that are perfect squares. (x + 5)(x + 5)
(-9 + c)(c - 9)
(y - 10)(10 - y)
(a + 3)(3+ a)
(2x - 1)(2x + 1)
(4- 3x)(3 - 4x)
(a+b)(b +

the answer is true.

step-by-step explanation:

26

step-by-step explanation:

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

can i know which language is this?