Answer:
3/11
Step-by-step explanation:
X: # of pairs of socks; y: # of blouses
Then $2.99x+$12.99y=$43.92.
7. 233
8. 4
9. 6
10. 5
11. 4
12. 7
13. 7
analyze problem
no need for distance formula
same x, only need to subtract y
3a-0=3a
Answer: 
Step-by-step explanation:
You need to analize all the information given in the exercise.
You know that the actual height of the T-rex on the projector lens is the following:

The height of the projected T-rex is:

Make the conversion from meters to centimeters:

Therefore, the scale factor will be:

Finally, you must substitute values into the equation and then you must evaluate in order to find the scale factor of the projection. You get that this is:
