Answer:
the index of 2 is -1
Step-by-step explanation:

=
=
Answer:
if there are 360 students, the number of teacher will be 6,480...
360:6,480
Answer:
(4.25,2)
Step-by-step explanation:
To find the x coordinate of the midpoint, add the x coordinates and divide by 2
x = (3+5.5) /2 = 8.5/2 =4.25
To find the y coordinate of the midpoint, add the y coordinates and divide by 2
y = ( 4+0)/2 = 4/2 =2
Answer:


Step-by-step explanation:
----------- (1)
-----------(2)
Adding equation (1) and (2)


Substitute y=-4 in equation (1) or (2)

