Denominator, 12 and 9 are on the bottom. and 15 and x are on the right side.
Answer:
Step-by-step explanation:
x + 7 < 4
x < 4 - 7
x < -3
Complete Question
The complete question is shown on the first uploaded image
Answer:
The correct option is C
Step-by-step explanation:
The sample
Household Income
< $60,000 > $60,000
I would never purchase a newspaper subscription. 40 63
I might or might not purchase a newspaper subscription. 53 70
I would probably purchase a newspaper subscription. 65 32
I already purchase a newspaper subscription. 73 16
Generally the sample size is mathematically represented as

=> 
Generally the number of the sample with an income greater $60,000 is mathematically represented as

=> 
Generally the number of families with an income more than $60,000 who might or might not purchase a newspaper subscription is

Generally the percentage of families with an income more than $60,000 who might or might not purchase a newspaper subscription is

=> 
There's nothing hard to solve a proof you need to take a look on the diagram pr you can say construction and as given in the diagram you have write step by step as you will reach at your answer
Hope this will help you...