well if you can find the slope then choose one of your ordered pair and plug them in tot he corresponding variable. since you don't know what the y intercept you basically find x which will be the y int.
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:

Answer:
-2x-1
Step-by-step explanation:
(3x-4)-(5x-3)
Distribute the minus sign
3x-4-5x+3
Combine like terms
3x-5x -4+3
-2x-1
Answer: Approximately 28
Step-by-step explanation: 55.25 + 250 = 305.25 next 305.25 ÷ 11 = 27.75 you can round to approximately 28
(Let me know if im wrong)