A researcher conducted a research and got the observations: 50, 60, 65, 75, 80, 85 and 90. Transform variable x into y. Establish the relation between x and y. (a) by multiplying it with a constant 6 and adding another constant 2 to it. (b) by dividing it with 5 and subtracting 3 to it.

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

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

52 \43 i don't know this i tried