Complete Question
The complete question is shown on the first uploaded image
Answer:

Step-by-step explanation:
Generally from the table the contribution to the chi-square statistic of the number of individuals in the survey aged 20 - 22 who strongly disagreed about whether they observe packing information before purchasing items is mathematically represented as


Answer:
7^2 ( little 2 in the corner)
a= 16x+16
b= 40x + 15
Step-by-step explanation:
We know that perimeter of a rectangle is

So therefore



Answer= A) that is perimeter is 16x+16
We know that area of a rectangle is l×b
So therefore


Answer = b) that is area is 40x + 15
Answer:
54yd
Step-by-step explanation:
Area for the rectangle=8×6
=48yrd
area for the triangle=1/2×4×3
=6yd
Total area=48+6=54yd