Answer:


Step-by-step explanation:
Given
See attachment for complete question
Required
Express the answer in 
From the question, we have:

breath/person in a year
The number of breath is calculated by:

So, we have:

Reorder



Using scientific notation
;
The value (a) must be in the following interval 
So, we have:


By comparing the above with: 


Answer:
Elena can make 150 t-shirts
Step-by-step explanation:
- Find the amount <em>after </em>she buys the printing machine. $1,175-$350=$825
- Divide by the cost per t-shirt $825÷$5.50=150 t-shirts
- Final answer: 150 t-shirts
Answer:
19
Step-by-step explanation:
45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.
Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.
1) 72 inch
2) 3ft
3) 120 cm
4) 12yd