Answer: xem link và 1 số đk nữa
Step-by-step explanation:
3.2=x______________________________
The rule of reflection over y-axis
(x,y) ⇒⇒⇒ (-x,y)
Note point T will not change
the solution is as shown in attached figure
We suppose that every one paid $10 for entrance. So the total paid should be $1000. Now there is $300 more. The faculty should pay $15 more than student. So the faculty number is $300/15=20. Then the number of student is 80.
Answer: -6 Your welcome
Step-by-step explanation: I just did it and got a 100