How do you tell if a triangle is a right triangle just from it’s measurements

Through the equation a^2+b^2=c^2.

Step-by-step explanation:

If lengths are in a right triangle, they fit the equation above. "a" and "b" are the shortest sides while "c" is the longest side. If the equation works and is equal on both sides, the triangle is a right triangle.

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

they can both be solutions depends on the equation

step-by-step explanation:

what is the equation? ?