Answer:
using pythagorean theorem
Hypotenuse ²=Adjacent ²+ Opposite ²
Hypotenuse ²=5.6²+7.2²
Hypotenuse ²=83.2
Hypotenuse=√83.2
Hypotenuse=9.12m
Answer:

Step-by-step explanation:
<em>The given options are not in anyway related to the question. So, I will do away with them.</em>
Given


Required
Determine the linear relationship
Let
y represents the total cost
x represents the number of shirts
The relationship between x and y is:

This gives:


Answer:
E; 8x9 is equal to 72 which estimated is 70
Y = 12x where x is the # of students and y is the # of adults
Or for every 12 students there's 1 adult